Question

One angle measure in an obtuse isosceles triangle is 40°. What is the measure of one of the other angles?



70°

100°

120°

140°

Answer 1

A

Answer 2

am i correct? @Yuli9690 and @matricked

Answer 3

100°

Answer 4

obtuse angle means an angle > 90

Answer 5

so in a triangle ther can'b the two obtuse angle..

Answer 6

so here 40 is one of the eaul base angle of the given obtuse isosceles triangle
so the third angle is 180 - (40+40) =100

Answer 7

I see, thank you for explaining!

Answer 8

omg ! ur right (my brain jeez). Sorry @Mackenzie2013 it is 100 degrees