Question

Part A

Which expression can be used for the missing side length of the rectangle?

Part B
Find the length of the missing side when x = 3. Round answer to the nearest tenth.

Length = in.

Answer 1

d

Explanation:

(8x)^2 = (2x)^2 + y^2

64x^2 - 4x^2 = y^2

60x^2 = y^2

y = 2x√15