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|dw:1337230739451:dw|

the numbers are 29, 20, 21

is it a right angled triangle ??/

all you have to do is use similarity. see what angles are the same.

Yes Thanks Alot :)

haha, yeah you're right. sorry. it's 2 am here, can't blame me..

But I love this way better. I was set to use the pythagorean theorem until you wrote that lol

I don't think there is any way to. Is there, Jim?

SO , A = 400/21 And B = 580/21

yes love, i'm sorry. @jim_thompson5910 is right :)

its okay thanks

what do you mean SmoothMath?

I don't think that good ol' Pythag can solve this problem.

Except that you're assuming this is a right angle, and that is not given:
|dw:1337232422096:dw|

Ah, but it can be proven.

exactly

Very good.

it's not explicit, but the fact that the two triangles are similar allows us to use either method

But a roundabout way to solve it indeed. Haha, funny that it's the first way you thought of.

lol just been using it a lot more than the other method I guess