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

In isosceles ABC, AB=AC. if B=55,calculate A​
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2 votes
In isosceles ABC, AB=AC. if B=55,calculate A​

User Antonio Moore
by
8.4k points

1 Answer

6 votes

Answer:

Two base angles of an isosceles triangles are equal.

55 + 55 + a = 180

110 + a = 180

a = 180-110

a = 70

User Andrei Aleksandrov
by
8.1k points
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