Question

Find the perimeter of the shaded triangle
A.55.5 in
B.40 in
C.49.5 in
D.50.5 in

Answer 1

two sides of the given triangle are given right?

Answer 2

yeah

Answer 3

and the missing side is the hypotenuse of the right triangle with sides 8 and 15

therefore use pythagorean theorem

\(\sqrt{8^2 + 15^2} = x\)

what does that equal to?

Answer 4

i got 289

Answer 5

now take the square root

Answer 6

289 times the square root of 2

Answer 7

no... square root of 289

Answer 8

try it in your calculator \(\sqrt{289}\) what is the value of that?

Answer 9

17

Answer 10

now add that to 27.5 and 5

what is 17 + 27.5 + 5

Answer 11

got 495.

Answer 12

17 + 5 = 22

22 + 27.5 = 49.5

Answer 13

srry i forgot to put the . so its c.

Answer 14

yup it is

Answer 15

thank you for your help