Answer:
x = 75°
Explanation:
the triangle given is isosceles i.e. the triangle has two equal sides and the angles opposite to the equal sides are also equal in measurement.
the sum of angles in a triangle = 180°
30 + x + x = 180
30 + 2x = 180
2x = 180 - 30
2x = 150
x = 150/2 = 75
thus,
x = 75°