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Mathematics 8 Online
OpenStudy (anonymous):

A wooden plate is shaped as a pentagon. The measure of one angle is 20°. The remaining interior angles are obtuse and of equal measure. What is the measure of each obtuse angle in the pentagon?

OpenStudy (anonymous):

130° 140° 155° 175°

Directrix (directrix):

130° ---- The sum of the interior angles of a pentagon is 540. After removing 20 degrees, the remaining 4 angles have a sum of 520. The remaining 4 angles are congruent. 520/4 = 130 per angle

OpenStudy (anonymous):

Ok thanks

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