hannahfrost1 hannahfrost1

22-03-2018
Mathematics

contestada

Find the measure of ∠C if

∠A = 52x + 30
∠B = 72x + 40
∠C = 92x + 10
∠D = 52x + 20

A)70°
B)80°
C)90°
D)100°

Find the measure of C ifA 52x 30 B 72x 40C 92x 10 D 52x 20A70B80C90D100 class=

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dreamteamtutors dreamteamtutors

22-03-2018

any 4 sides polygon has total of 360 degree

therefore adding p all angles you got 268x +100= 360

minus 100 on both side 268x= 260

divide 268 on both side you got x around .97

therefore angle C is around 99.25.....closest answer is D 100

hope this help

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