moe273
moe273
19-01-2017
Mathematics
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addilee
addilee
19-01-2017
So its a right triangle. 180 - 90 = 90.
So 3x + 2 + 2x + 18 = 90.
5x + 20 = 90
5x = 70
x = 14.
Plug it in and solve
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