Question

An isosceles triangle has an angle that measures 120°. Which other angles could be in that isosceles triangle? Choose all that apply.

50°, 120°, 70°, 30°

Answer 1

30°

Explanation:

see attached.

If one angle is given as 120 deg,

because the triangle is isosceles, that mans that the base angles are identical. Hence, the other angles must be (180 - 120) / 2 = 30 deg

Answer 2

30

Explanation: