If angleA= 4x-15and angle = 5x-3 find measure all angle of a parallelogram.
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Answer:
In Parallelogram A + B = 180, so:
4x - 15 + 5x - 3 = 180
9x = 198
x = 22
A = 4*22 - 15 = 73,
B = 5*22 - 3 = 107.
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