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bagirrra123 [75]
3 years ago
12

WILL MARK BRAINLEST PLZZ HELPPP!!!!!!!!

Mathematics
1 answer:
balandron [24]3 years ago
4 0

Answer:

B= 97°

C = 43°

A = 40°

Step-by-step explanation:

Ok so we want to find the angle measurement for A.

We already have the angle measurement for B and C.

The interior angle of a triangles should ALL add up to 180°.

A + B + C = 180°

A = ???

B = 97°

C = 43°

So....

A + 97° + 43° = 180°

A + 140° = 180°

    -140°   -140°

A = 40°

So the angle measurement for A will be 40°

Check:

A + B + C = 180°

40° + 97° + 43° = 180°

137° + 43° = 180°

180° = 180°

Correct

Did this help?

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