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never [62]
3 years ago
9

In isosceles triangle ABC, AB=AC.If B=55, calculate A​

Mathematics
2 answers:
den301095 [7]3 years ago
4 0

Answer: ∠A = 70°

because ABC is an  isosceles triangle and AB =  AC

=> ∠B = ∠C = 55°

=> ∠A = 180-(∠B + ∠C) = 180° - 55°.2 = 70°

Step-by-step explanation:

vivado [14]3 years ago
4 0

sorry i can't help :(

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