A quadrilateral has angles that measure 90°, 46°, and 120°. What is the measure of the fourth angle?

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03-05-2018
Mathematics

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A quadrilateral has angles that measure 90°, 46°, and 120°. What is the measure of the fourth angle?

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calculista calculista · Answer 1 · 2018-05-12T20:14:40+02:00

calculista calculista

12-05-2018

we know that

The sum of the internal angles of a quadrilateral is equal to 360 degrees
so
Let
x--------> the measure of the fourth angle

90+46+120+x=360
x=360-(90+46+120)
x=104 degrees

the answer is
the measure of the fourth angle is 104 degrees

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