Answer:
Below in bold.
Explanation:
First problem:
The length of the mid segment is the mean of the 2 outer segments.
So it is (11+9)/2
= 20/2
= 10.
Second problem:
As above, it is (22+28) / 2
= 50/2
= 25.
UV = 10
HG = 25
UV = (11+9)/2 = 20/2 = 10
HG = (28+22)/2 = 50/2 = 25
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