Question

For which value of x is the figure a rectangle?

Answer 1

Answer:

x = 11

Step-by-step explanation:

The vertices of a rectangle are right angles (90° ) , then

5x + 2 + 3x = 90

8x + 2 = 90 ( subtract 2 from both sides )

8x = 88 ( divide both sides by 8 )

x = 11