SSS4 - Angles on Parallel Lines Task

Click the button labelled "Question 1", then fill in the blanks The angle marked x is

because

angles are

Click the button labelled "Question 2", then fill in the blanks The angle marked y is

because

angles

Click the button labelled "Question 3", then fill in the blanks The angle marked x is

Explain two rules you used to find x

and