Question

in an Isocelse triangle base angles are equal. The measure of vertex angle is 40 degree .
what is the measure of each base ​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

let we name the triangle ABC .

BC are base and A=40 degree (given)

A+B+C=180 (sum of all angles of triangle is 180

40+B+C=180

B+C=180-40

B+C=140

B is equal to C (given)

B+B =140

2B=140

B=140/2

B=70

So, C is also 70

I Hope this answer is really help you