The degree measures of the interior angles of a hexagon are 3x°, 6x°, 8x°, 7x°, 100° and 7x°. What is the degree measure of the largest angle of the hexagon?
A. 60° B. 120°. C. 140° D. 160°
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Answer:
3x°+6x°+8x°+7x°+100°+7x°=720° {Angle sum property of hexagon}
===>31x°=620°
==>x=20°
so, the value of 7x= 140°
Therefore,the answer is (c)140°
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