The triangle ABC is an isosceles triangle. What are each of the congruent base angles if the vertex angle measures 40 degrees?

Zaccagliaodi
2022-03-02
Answered

The triangle ABC is an isosceles triangle. What are each of the congruent base angles if the vertex angle measures 40 degrees?

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Andrew Fenton

Answered 2022-03-03
Author has **6** answers

Step 1

So,

So,

So, each base angles are

surgescasjag

Answered 2022-03-04
Author has **10** answers

Step 1

Sum of the three angles of a triangle$=180\text{}\text{degrees}$

Vertex angle$=40\text{}\text{degrees}$

Sum of two congruent angles

$180-40=140$

Measure of each base angle$=70\text{}\text{degrees}$

Sum of the three angles of a triangle

Vertex angle

Sum of two congruent angles

Measure of each base angle

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