marlo32huerta marlo32huerta

29-04-2014
Mathematics

contestada

A quadrilateral has angles that measure 87°, 69°, and 104°. What is the measure of the fourth angle?

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khalathomas70 khalathomas70

29-04-2014

The answer should be ................... 100

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tadvisohil886 tadvisohil886

29-04-2014

Sum of angles of quadrilateral = 360

87 + 69+ 104 + x = 360

156 + 104 +x = 360

260 + x = 360

thus, x = 100

Thus, the measure of the fourth angle is 100 degrees

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