Question

In an isosceles triangle, the base angles are equal. If the vertex angle is 70 degree
,
find the measure of each of the base angle.

Answer 1

Answer:

let the two unknown angles be x

so 70 +2x=180

2x=180-70

2x=110

x=110÷2

x=55

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Answer 2

Answer:

base angle =55 degrees

Step-by-step explanation:

Both base angles are equal.

So, let base angle =x

According to question

70+x+x=180

2x=110

x=55