20-12-2020
Mathematics

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HELP ME SOLVE THIS PLEASE!

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lilbear43 lilbear43

20-12-2020

66 degrees should be A

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gianglh201518 gianglh201518

20-12-2020

Answer:

66°

Step-by-step explanation:

abc is an isosceles triangle (AB=AC)

=> B=C=57°

A= 180-2×57°=66°

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