Question

In an isosceles triangle, the base angles are equal, and the vertex angle is 80 degrees. Find the measure of the base angles​

Answer 1

Answer:

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Step-by-step explanation:

Sum of all the vertex of the triangle=180°

Let's assume the base angles as 2x

So, 2x+80°=180°

Therefore, 180-80=2x

That is 2x=100

X=50°

So the measure of 1 angle from the base is 50°.

Answer 2

in a triangle,

sun of all sides is 180°

In an isosceles triangle 2 sides are equal

vertex angle is of 80°

base angles = 2x+80°=180°

= 2x = 180°-80°

= 100°/2

= x = 50°

◆Measure of base angle is 50°