Question

Q20. In A ABC, AB= AC and angle A
is 100°, Then angle B is
​

Answer 1

Answer:

AB=AC

∠B=∠C [Angles opposite to equal sides are equal]

In △ABC,

∠A+∠B+∠C=180

o

100

o

+2∠B=180

o

∠B=40

o

Therefore,

∠B=∠C=40

o

Step-by-step explanation:

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