Assuming that is 2 right triangles sharing a side
height^2 = 20^2 -7^2
height^2 = 400 - 49
height^2 = 351
height =
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18.7349939952
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x^2 = 24^2 - <span>18.7349939952^2
x^2 = 576 -351
x^2 = 225
x = 15
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I would have 144 because you just times 4 and 36
C.8(7+6) is the right answer because 8x7=56 and 8x6=48 so, 56+48=104
