Asked by alex

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC
Answered by Reiny
height of goalpost = x
width of goalpost = 3x

2(x+3x) = 21 1/3
8x = 64/3
x = 8/3
Answered by mella
65
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