Abcd is a quadrilateral. three of the angles of abcd measure 100°, 87°, and 106°, respectively. find the measure of the missing angle. a. 67° b. 74° c. 80° d. 87°

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asked Nov 13, 2018 111k views

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Pragalathan M · Answer 1 · 2018-11-18T16:07:15+0000

A quadrilateral in total is 360 degrees.
(x = the missing length)

100 + 87 + 106 + x = 360
293 + x = 360
-293 -293
x = 67 degrees.

The answer to your question is option A, 67 degrees.

Abcd is a quadrilateral. three of the angles of abcd measure 100°, 87°, and 106°, respectively. find the measure of the missing angle. a. 67° b. 74° c. 80° d. 87°

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