February 24, 2017

Homework Help: math

Posted by thomas on Saturday, April 19, 2014 at 1:57pm.

In triangle ABC, angle B = 3, angle A and angle C = 8 angle A. How many degrees are there in angle B ?

a. 15 degree
b. 30 degree
c. 45 degree
d. 60 degree
e. 120 degree

please answer and explain

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