Question

What is the perimeter of triangle ABC? Round to the nearest tenth.

http://static.k12.com/calms_media/media/1299500_1300000/1299579/1/90386a7b4ac7f176863b7633673ce9bc1b560ef3/143803.jpg

A.
13.8 units

B.
8.8 units

C.
10.8 units

D.
5.8 units

Answer 1

Since this is a right triangle you can use the Pythagorean Theorem. A^2+B^2=C^2
AB=3, CB=5, so 3^2+5^2=C^2, 9+25=C^2, C=sqrt of 34, 5+3+sqrt of 34=13.8, so the answer would be A

Answer 2

thank you

Answer 3

You're Welcome