Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#51 2016-06-06 10:17:57

malaysiawill
Member
Registered: 2016-05-23
Posts: 43

Re: Geometry review.

okay, thank you!

now question 20 is hard, I never understand and remember how to do it
sad

Offline

#52 2016-06-06 10:19:39

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

Re: Geometry review.

20. Calculate the area of the shaded region in the figure shown.

It looks to be the toughest question in the world. Do you know why?


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.

Offline

#53 2016-06-06 10:37:51

malaysiawill
Member
Registered: 2016-05-23
Posts: 43

Re: Geometry review.

it looks tough because you have to figure out the shaded region.

Offline

#54 2016-06-06 10:39:10

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

Re: Geometry review.

Nope, I can not see the shaded region... Where is it the diagram with a shaded region?


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.

Offline

#55 2016-06-06 10:40:48

malaysiawill
Member
Registered: 2016-05-23
Posts: 43

Re: Geometry review.

WjQiTpP.gif

I guess the grey area is the shaded region.

Offline

#56 2016-06-06 11:01:15

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

Re: Geometry review.

For 20 I am getting


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.

Offline

#57 2016-06-06 11:10:37

malaysiawill
Member
Registered: 2016-05-23
Posts: 43

Re: Geometry review.

so if I simplify, it would be 112.82 m^2?

Offline

#58 2016-06-06 11:13:19

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

Re: Geometry review.

Yes but we do not say simplified. Converted to decimal is better.


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.

Offline

#59 2016-06-06 11:14:56

malaysiawill
Member
Registered: 2016-05-23
Posts: 43

Re: Geometry review.

okay, thank you. I'm submitting the lesson hopefully I get 20/20 !

Offline

#60 2016-06-06 11:18:37

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

Re: Geometry review.

Okay, let me know how you did.


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.

Offline

Board footer

Powered by FluxBB