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Mathematics 18 Online
OpenStudy (anonymous):

In the figure above, if a = 4b and c = 5b, what is the value of c? A. 18 B: 50 C: 72 D: 90 E. 98 Note: Figure is not drawn to scale

OpenStudy (anonymous):

OpenStudy (anonymous):

a

OpenStudy (anonymous):

@bszent

OpenStudy (anonymous):

4x + x + 5x = 10x =180 degrees. x = 18 degrees. a = 4(18) = 72 degrees. b = 18 degrees. c = 5(18) = 90 degrees. 72 + 18 + 90 = 180 degrees.

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