melodywade500ouv3j3 melodywade500ouv3j3

11-10-2017
Mathematics

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The angles of a triangle are 2x, 3x, and 4x degrees.
Find the value of x.
A) 20
B) 30
C) 40
D) 50

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musiclover10045 musiclover10045

11-10-2017

3 angles in a triangle need to = 180 degrees

so you have 2x+3x+4x = 180

9x = 180

x = 180/9

x = 20

Answer is A

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