Question

whats the length of BC

http://i47.tinypic.com/11jyhkh.jpg

A. 5 B. 20 C. 15 D. 30

Answer 1

Do you know the formula which relates b/w area and lengths?

Answer 2

\[\Large \frac{A_1}{A_2} = (\frac{L_1}{L_2})^2\]

Answer 3

Can you solve now?

Answer 4

lol or you can just tell me. thanks for the help anyways.

Answer 5

Lol, i told u.. insert the values and solve.

Answer 6

i got 10. and its not even on the choices fml.

Answer 7

Ok, so tell me what u did to solved?
i will guide u step by step.

Answer 8

its cool, i got the answer from somebody else.

Answer 9

BUt u did not learnt anythin. -_-

Answer 10

nah brown niqqa, the worksheet f'd up and gave me the wrong multiple choices so i got the answer anyways. they didn't friggin square the problem. thanks for your concern doe

Answer 11

ended up being 20 if you didn't sq are it