What is the measure of angle d?

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1 Answer
FRANK Z.
May 16, 2018

157

Explanation:

In a cyclic quadrilateral (a quad with the points inscribed in the circumference of a circle), opposite angles add to 180. Putting this into a equation,
#7x+19=180#
#7x=161#
#x=23#
#6x+19=6*23+19=138+19=157#

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