Question

If in an isoceles triangle, each of the base angle is 40 degree , then the triangle is obtuse angled triangle.. how the statement is true......​

Answer 1

Answer:

If the base angles are 40 degree, they add up to 80 degree. Thus, the last angle is 180  degree-80 degree = 100 degree which is obtuse.

Answer 2

Answer:

the base angle are 40 degree

they add up to 80 degree

thus, the last angle is 180 degree -80 degree =100 degree which is obtuse