Answer:
20
Step-by-step explanation:
The midsegment of a trapezoid is calculated as
=
=
= 20
Answer:
Step-by-step explanation:
(1, 5.5) ; (2, 9)
Slope = 

= 7/2
m = 7/2 ; (2 , 9)
y - y1 =m(x -x1)

Multiply the equation by 2

Answer:
x = 14
Step-by-step explanation:
From the given figuer...
Therefore, the value of x is 14.
<u>------------------------</u>
Answer:
40 yd^2
Step-by-step explanation:
Add the square at the bottom to make one large rectangle. Subtract the square not included from that area to get the figure shown (see attachment).