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#26 2017-01-01 17:44:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

What is the sum of the angles in a triangle on a plane?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#27 2017-01-01 20:13:22

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

270 degree because in triangle each is 90 and 3 sides so equal to 270 degree


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#28 2017-01-02 00:05:02

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,869

Re: Logical question s

That could only happen within spherical geometry, so try again...


The integral of hope is reality.

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#29 2017-01-02 00:33:44

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

Hi Zeeshan 01;

Please read this:

http://www.mathsisfun.com/proof180deg.html


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#30 2017-01-02 04:41:34

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

Ok it is 180 degree what is next STEP? ??


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#31 2017-01-02 04:44:59

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,869

Re: Logical question s

In triangle abc the angle a is three times the size of that at b and half the size of the angle at c.
Clarify, is b half the size of c or a is half the size of c?? Misplaced modifiers are confusing..


The integral of hope is reality.

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#32 2017-01-02 04:49:37

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

I agree.

In triangle abc the angle a is three times the size of that at b and half the size of the angle at c. what is the angle at A???
A 30 b 36 degree c 54 deg        d 60 degree

Assuming that we are talking about a and its relationship to b and c we can form the following equations:

a + b + c = 180

a + (a/3) + 2a = 180

Can you solve for a?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#33 2017-01-02 14:26:36

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

????
Ok a+b+c=108
So why you put all a


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#34 2017-01-02 15:00:20

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,869

Re: Logical question s

So he could solve for the variable a.


The integral of hope is reality.

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#35 2017-01-02 17:15:49

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

So he could solve for the variable a.

Correct!

Ok a+b+c=108, So why you put all a

An equation like a + b + c = 180 is likely to have an infinite number of solutions.

Thuis equation has only one.

a + (a/3) + 2a = 180

Can you solve for a?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#36 2017-01-02 19:51:35

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

Angle is three times means 3a in question and angle is is a÷2 ??? This is question or not


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#37 2017-01-02 20:27:49

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

In triangle abc the angle a is three times the size of that at b and half the size of the angle at c. what is the angle at A???
    A 30 b 36 degree c 54 deg        d 60 degree


You start with

a + b + c = 180

It says a is 3 times b so a = 3b and b = (a / 3)

a + (a/3) + c = 180

Now the question says a = (1 / 2 ) c so c = 2a

a + (a/3) + 2a = 180

Now you solve for a.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#38 2017-01-03 20:03:46

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

10a÷3


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#39 2017-01-03 20:07:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

You are forgetting that you have an equation:

10a÷3 = 180


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#40 2017-01-03 20:07:51

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

10a=540 so a=54


Math !!!!.

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#41 2017-01-03 20:08:52

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

Next step after a=54


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#42 2017-01-03 20:10:11

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

That is the answer you should get but does it work?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#43 2017-01-03 20:10:28

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

I cannot under stand what I do I only solve a I cannot under stand question properly!!!


Math !!!!.

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#44 2017-01-03 20:12:48

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

If you check your answer as I am instructing you to it will all seem clear.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#45 2017-01-03 20:14:55

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

You start with
a + b + c = 180

First you write eq of TRIANGLE? ???


Math !!!!.

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#46 2017-01-03 20:15:56

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

Ok ans is c that is 54 degree


Math !!!!.

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#47 2017-01-03 20:17:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

To check you go back to the original question:

In triangle abc the angle a is three times the size of that at b and half the size of the angle at c. what is the angle at A???
    A 30 b 36 degree c 54 deg        d 60 degree

We have found that a = 54 degrees, so b is what?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#48 2017-01-03 20:19:41

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

B option is 36 deg but we have option c


Math !!!!.

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#49 2017-01-03 20:20:27

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Logical question s

Not option B, I am asking what angle b is?


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#50 2017-01-03 20:22:27

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 543

Re: Logical question s

a + b + c = 180
It says a is 3 times b so a = 3b and b = (a / 3)

Last edited by Zeeshan 01 (2017-01-03 20:23:10)


Math !!!!.

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