Exercise 7.3
In questions 1 to 9 find the angles marked with letters.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. In the diagram KI. is parallel to NM and I.J = LM.
Calculate the size of angle J1.M.
11. The diagram shows a series of isosceles triangles drawn between two lines.
Find the value of \( x \).