Math Is Fun Forum

Mathegocart

Member

Registered: 2012-04-29

Posts: 2,226

Line + Geometry probability

1) P is a point that is not on line m. How many lines can be drawn through P that makes a 30 degree angle with m?
I said 2 because you can draw two ..
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The integral of hope is reality.
May bobbym have a wonderful time in the pearly gates of heaven.
He will be sorely missed.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: Line + Geometry probability

Hi;

I like two also.

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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.

thickhead

Member

Registered: 2016-04-16

Posts: 1,086

Re: Line + Geometry probability

It is 2 even in 3D. If the line M has direction only one.

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{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}
(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha
{Gods rejoice at those places where ladies are respected.}

Mathegocart

Member

Registered: 2012-04-29

Posts: 2,226

Re: Line + Geometry probability

It is 2 even in 3D. If the line M has direction only one.

cool. I am also interested in 4 dimensions

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The integral of hope is reality.
May bobbym have a wonderful time in the pearly gates of heaven.
He will be sorely missed.

thickhead

Member

Registered: 2016-04-16

Posts: 1,086

Re: Line + Geometry probability

4D Going into future or past?

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{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}
(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha
{Gods rejoice at those places where ladies are respected.}

Mathegocart

Member

Registered: 2012-04-29

Posts: 2,226

Re: Line + Geometry probability

Hi, can anyone find a anwser to my next one?
In a scale drawing, 1 inch represents 100  feet.  How many square inches on the diagram represent 1 square foot?

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The integral of hope is reality.
May bobbym have a wonderful time in the pearly gates of heaven.
He will be sorely missed.

thickhead

Member

Registered: 2016-04-16

Posts: 1,086

Re: Line + Geometry probability

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{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}
(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha
{Gods rejoice at those places where ladies are respected.}