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2 years ago

In A ABC, AB = CA and mC = 27°. Find mZB.

Mathematics

1 answer:

elena-s [515]2 years ago

8 0

Answer:

since AB and CA is equal, it means that this triangle is an isosceles triangle and that it means that whatever the angle C is, b is also that angle.

so if she is 27 degrees then b is 27° as well

but to find a, you must subtract 180 with the sum of angle b and C

so..

180-(27+27)

180-54

therefore a would be 126°

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