Question

The base angle of an isosceles triangle is 40°. Find the third angle of the triang

Answer 1

Answer:

isosceles triangle has two equal angles.

so the two angles are 40° and 40°.

sum of all.angles in triangle is 180°

third angle=180-(40+40)

=180-80

=100°

Answer 2

Answer:

First angle and second angles will be same since in an isoscles triangle two angles are equal.

first angle-40 degree

second angle-40 degree

third angle-180-(40+40)

=180-80

=100 degree