Answer:
70 degrees = a
Step-by-step explanation:
Triangle= 180 degrees.
Therefore, since a and the unmarked angle are congruent since it is an isosceles triangle, we subtract 40 from 180, with a result of 140. With 140, we divide by 2 to find the degrees for both the unmarked angle and angle a, since they are congruent. 140/2 = 70, Angle A will equal to 70 degrees
Answer:
my guess is c
Step-by-step explanation:
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You need to use percentage I would help but I can’t because of I’m bad at percentages
Answer:
Step-by-step explanation:
BF is the angle bisector of ∠B.