Question

If the measure of the obtuse angle of an isoceles obtuse angled triangle is 100 degree then find the value of its others two angles​

Answer 1

The measure of two other angles :-

Sum of all angles = 100° + x + x

180° = 100° + 2x

2x = 180° - 100°

2x = 80°

x = 80° ÷ 2

x = 40°