Answer:
x=10
Step-by-step explanation:
By the Trapezoid Midsegment Theorem, the midsegment of a Trapezoid is 1/2(the sum of the 2 bases.
4x-20=1/2(23+17)
4x-20=1/2(40)
4x-20=20
4x=40
I believe the answer is 8m.
Answer:62
Step-by-step explanation: 69x666x420