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Segment MB is the angle bisector of angle AMC in this image.

 

Which is the value of x?


A. 25

B. 18

C. 20

D. 10

 Feb 17, 2020

Best Answer 

 #1
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+2

Choice D

Because Segment MB is an angle bisect angle CMB and angle AMB are congruent. So you do this:

x + 25 = 3x + 5

   -   5          - 5

x + 20 = 3x

- x          - x

20 = 2x

/ 2    /2

10 = x

 Feb 17, 2020
 #1
avatar
+2
Best Answer

Choice D

Because Segment MB is an angle bisect angle CMB and angle AMB are congruent. So you do this:

x + 25 = 3x + 5

   -   5          - 5

x + 20 = 3x

- x          - x

20 = 2x

/ 2    /2

10 = x

Guest Feb 17, 2020

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