Question

9
10
What is the value of x?
☺☺☺
7
10 + 2x
00

Answer 1

x = 4

Explanation:

The quadrilateral is a rectangle and opposite sides are congruent, hence

10 + 2x = 18 ( subtract 10 from both sides )

2x = 8 ( divide both sides by 2 )

x = 4