Question

Can someone help please, it wont give me the last mark

Answer 1

angle x is also 60 degrees draw the line out the other side flat lines are 180. The answer is 60

Answer 2

The explanation is:

All interior angles in an equilateral triangle are congruent, making them all 60° by the sum of angles in a triangle. Because alternate interior angles of parallel lines are congruent, x = 60°.