Question

DC is the altitude to the hypotenuse of triangle ABC. What is AC?

A. 6
B. 5 root 2
C. 2 root 13
D. 7 1/2
the answer on my answer sheet says C.
please wait for me to draw the picture.

Answer 1

Ok, i have a shortcut, CD^2=4X9
So CD is 6, now use pythagorean theorem to solve for x

Answer 2

ok i hope its right

Answer 3

I am 100% sure it is correct

Answer 4

ok

Answer 5

so it will be 6^2 + 9^2 = c^2 ?