Question

one angle of an isosceles triangle is 100 ° what are the other two angles .

please give me the correct answer and explanation
i will mark in brainliest​

Answer 1

Answer:

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answer is 40°

Answer 2

Step-by-step explanation:

Let ∆ABC;

In which A=100° And AB=AC

Since,

AB=AC

Therefore,

B=C [Opposite angles of two equal sides of a triangle.]

we know that:-

A + B + C = 180° [Angle sum property of a triangle]

100° + B + C = 180°

B + C = 180°-100°

2B = 80° [ B = C ]

B = 80°/2

B = 40°

hence,

B = C = 40°

Therefore,

B = 40°

C = 40°

Ans..

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