The triangle ABC is an isosceles triangle. What are each

Zaccagliaodi

Zaccagliaodi

Answered question

2022-03-02

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

Answer & Explanation

Andrew Fenton

Andrew Fenton

Beginner2022-03-03Added 6 answers

Step 1
A+B+C=180
A=40 (given)
40+B+C=180
So, B+C=18040=140
B=C (isosceles triangle) (base angles)
So, B=1402=70
So, each base angles are 70

surgescasjag

surgescasjag

Beginner2022-03-04Added 10 answers

Step 1
Sum of the three angles of a triangle =180 degrees
Vertex angle =40 degrees
Sum of two congruent angles
18040=140
Measure of each base angle =70 degrees

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