What is the measure of angle a? could someone double check my answer?

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1 Answer
EZ as pi
May 16, 2018

#hatA=106°#

Explanation:

#ABCD# is a cyclic quadrilateral because all the vertices are on the circumference of the circle.

In a cyclic quad the opposite angles are supplementary.

#hatA +hatC=180°#

#hatA +74° =180°#

#hatA=106°#

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