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2 years ago

Quadrilateral ABCD is inscribed in a circle. What is the measure of A?

1 answer:

Nady [450]2 years ago

8 0

3x + 6 + x + 2 = 180
4x = 180 - 8
4x = 172
x = 43

A = 3x + 6 = 3×43 + 6 = 129 + 6 = 135

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