Question

8.
In an isosceles triangle, the base angles are equal. The vertex angle
is 40°. What are the base angles of the triangle? (Remember, the
sum of three angles of a triangle is 180°).
SINC.​

Answer 1

Step-by-step explanation:

Refer the above attachment.

Answer 2

Answer:

Given ,

Vertex angle = 40°

So ,

40° + 2x = 180°( Angle sum property)

2x = 180° - 40°

2x = 140°

x = 140°÷ 2

x = 70°

Therefore,

The base angles of the triangle are 70°.