**Part 1**

1) 6 cm

2) 3 cm

3)

*x*+ 4 = 7 cm

2

*x*= 6 cm

3

*x*– 5 = 4 cm

**Part 2**

1)

*x*= 3

*y*= 4 cm

Perimeter = 30 cm

2)

*x*= 2

**Working**

**Questions**

Part 1

Part 1

1) The perimeter of the triangle below is 21 cm. What is the length of the side that is labelled

*x*?

2) The perimeter of the rectangle below is 18 cm. Find the value for

*y*.3) The perimeter of the triangle below is 17 cm. What is the length of each of the sides?

**Part 2**

1) All of the angles on the shape below are 90°, except one, which is 270°. Find the length of

*x*and

*y*, and find the perimeter for the shape below.

2) All of the angles on the shape below are 90°, except one, which is 270°. The perimeter of the shape below is 34 cm. Find the value of

*x*and find the length of each of the sides.