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un problema

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Post by swapna Fri Feb 26, 2016 2:48 pm

a plane is tesselated with triangles of side-lengths 8 cm, 15 cm, and 17 cm. a coin of radius 1 cm is tossed randomly onto the plane. what is the probability that the coin will come to rest so that it does not touch any of the triangles?

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Post by Hellsangel Fri Feb 26, 2016 3:28 pm

Una problema.
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Post by Hellsangel Fri Feb 26, 2016 3:34 pm

Here is a hint:  8^2 + 15^2 = 17^2
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Post by garam-kuta Fri Feb 26, 2016 5:28 pm

swapna wrote:a plane is tesselated with triangles of side-lengths 8 cm, 15 cm, and 17 cm. a coin of radius 1 cm is tossed randomly onto the plane. what is the probability that the coin will come to rest so that it does not touch any of the triangles?
0.8166666666666666666666666666666666666666666666666666666666666666666666666
the northindian kid who gets math tuition from you and whose parents write the check as dollars and cents and dollars asked you this?

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Post by garam_kuta Sat Feb 27, 2016 12:12 am

garam-kuta wrote:
swapna wrote:a plane is tesselated with triangles of side-lengths 8 cm, 15 cm, and 17 cm. a coin of radius 1 cm is tossed randomly onto the plane. what is the probability that the coin will come to rest so that it does not touch any of the triangles?
0.8166666666666666666666666666666666666666666666666666666666666666666666666
the northindian kid who gets math tuition from you and whose parents write the check as dollars and cents and dollars asked you this?

there you are...dashing again Wink

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