Question

CAN SOMEONE PLEASE HELP ME! To find x

ANSWERS
A-(11)
B-(14)
C-(7)
D-(3)

Answer 1

C-(7)

Explanation:

Given figure is a trapezoid and 21 - x is the mid segment.

Therefore by mid-segment formula of a trapezoid, we have:

21 - x = 1/2(17 + 11)

21 - x = 1/2 * 28

21 - x = 14

21 - 14 = x

7 = x

x = 7