The triangle ABC is an isosceles triangle. What are each

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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Expert Answer

Andrew Fenton
Answered 2022-03-03 Author has 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

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surgescasjag
Answered 2022-03-04 Author has 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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