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Mnenie [13.5K]
3 years ago
10

Solve for the measure of a

Mathematics
1 answer:
Lena [83]3 years ago
4 0

Answer:

Step-by-step explanation:

The supplement of the exterior angle is 180 - 75 = 105

In a cyclic quadrilateral (a four sides figure where all the vertices touch the circumference of a circle), the opposite angles are supplementary. Therefore <a = 180 - 105 = 75

But I think you already knew that.

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