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A quadrilateral has angles that measure 68°, 81°, and 90°. What is the measure of the fourth angle?
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Jan 3, 2018
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A quadrilateral has angles that measure 68°, 81°, and 90°. What is the measure of the fourth angle?
Mathematics
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Paulo Casaretto
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The sum of the angles of a quadrilateral is equal to 360 degrees so to find the measure of the fourth angle, u just have to minus 360 with all the other angles so here we go
360-68-81-90
=121
SkorpEN
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Jan 7, 2018
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SkorpEN
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