Answer:
x = 62
Step-by-step explanation:
The triangle is isosceles. That means two sides are equal. The angles opposite those equal sides are also equal.
Every triangle has 180 degrees.
The unmarked angle is also x.
x + x + 56 = 180 Combine the left
2x + 56 = 180 Subtract 56 from both sides
2x = 180 - 56
2x = 124 Divide by 2
2x/2 = 124/2
x = 62
