Question

Find the perimeter of the right triangle.

Answer 1

use Pythagorean theorem to find the length of the third side...
a^2 + b^2 = c^2
so length of third side = √(a^2 + b^2)
= √(9^2 + 12^2)
=
then add up the length of all three sides to get the perimeter

Answer 2

i got 12.8 ............

Answer 3

these are the options for the answer:
31.5 in

36 in

54 in

21 in

Answer 4

√(9^2 + 12^2)
= √(81 + 144)
= √(225)
= 15
so 12 + 9 + 15 =

Answer 5

36

Answer 6

yep :)