Per the midsegment theorem the middle line will be half the length of BC:
2x - 8 = 1/2(2x + 8)
4x - 16 = 2x + 8
2x = 24
x = 12
BC = 2x + 8 = 2(12) + 8 = 32
Alia M.
asked • 11/11/20Assume the middle line
Assume the middle line is a midsegment in the problem below. Find the length of BC
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