# math

posted by
**Tiffany**
.

which of the following triangles is both an obtuse triangle and isosceles triangle.

A triangle with angles measuring:

a) 60,60,60

b) 120,30,30

c) 110,15,55

d) 30,70,80

posted by
**Tiffany**
.

which of the following triangles is both an obtuse triangle and isosceles triangle.

A triangle with angles measuring:

a) 60,60,60

b) 120,30,30

c) 110,15,55

d) 30,70,80