Question

Find the lenght of the unknown side. Round it to the nearest tenth

A.9.4 m
B.88 m
C.15.8 m
D.4 m

Answer 1

The answer is 9.4. Use pythagorean theorem. C^2 is 13 and B^2 is 9, so 13^2 - 9^2 = 88. the. to get 88 back to A^2 , find the square root.