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3 years ago

In the figure below, ab is congruent to bc, and ae intersects bf at c. what is the measurement of

Mathematics

1 answer:

raketka [301]3 years ago

8 0

Answer:

D. 104 degrees

Step-by-step explanation:

What the information at the top tells us is that triange ABC is an isosceles triangle. In an isosceles triangle the two base angles are congruent, this means that <A=<C. Additionally, because of vertical angles we know that <C is equal to 38. So to find m<B use the expression 180-(2*38). This simplifies to 180-76, which is 104.

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