Pre Test

DIAGNOSTIK TASK NAME:_____________________________________ CLASS:__________________ This question paper consists of 15 questions. Answer all questions. The diagrams provided in the questions are not drawn to scale unless stated.

1. What is perimeter? A B C D

The total length of a shape The total width of a shape The total circumference of a shape The product of length and width of a shape

2. Diagram 1 shows a square.

2.5 cm

DIAGRAM 1 Calculate the perimeter of the square. A 2.5 cm C 7.5 cm B 5.0 cm D 10.0 cm

3. If the perimeter of a square is 20 cm, find the length of each side. A B

4 cm 5 cm

C D

6 cm 7 cm

4. Diagram 2 shows a rectangle. 2m

1.5 m

DIAGRAM 2 Calculate the perimeter of the rectangle. A 3m C 7m B 4m D 8m

5. A rectangle measures 4 cm in length and 3 cm in width. What is its perimeter? A 6 cm B 8 cm

C D

12 cm 14 cm 1

DIAGNOSTIK TASK

6. Diagram 3 shows a rectangle, PQRS. P

Q 3 cm

S

R

DIAGRAM 3 If the perimeter of a square with sides 6 cm, is the same as the perimeter of PQRS, find the length of PQ . A 18 cm C 8 cm B 9 cm D 6 cm

7. Diagram 4 shows an equilateral triangle.

3 cm

DIAGRAM 4 Calculate the perimeter of the triangle. A 3 cm C 9 cm B 6 cm D 6 cm

8. Diagram 5 shows a scalene triangle. 2.5 m 2.1 m 1.3m DIAGRAM 5 Calculate the perimeter of the triangle. A 2.5 m C 6.2 m B 5.9 m D 7.4 m

2

DIAGNOSTIK TASK

9. Diagram 6 shows a right-angled triangle, ABC. B 5 cm A

C 12 cm

DIAGRAM 6 If its perimeter is 30 cm, calculate the length of AB. A 13 cm C 15 cm B 14 cm D 16 cm

10. What is the length of each side of an equilateral triangle which has a perimeter of 21 cm ? A 6 cm B 7 cm

C D

8 cm 9 cm

11. Diagram 7 shows an isosceles triangle.

7 cm

12 cm DIAGRAM 7 Calculate the perimeter of the triangle. A 7 cm C 19 cm B 12 cm D 26 cm

12. Diagram 8 shows a square and an equilateral triangle. 6 cm

DIAGRAM 8 Calculate the perimeter of the whole diagram. A 18 cm C 30 cm B 24 cm D 36 cm 3

DIAGNOSTIK TASK

13. Diagram 9 shows a rectangle and an equilateral triangle. 6 cm

4cm

4 cm

DIAGRAM 9 Calculate the total perimeter of both shapes. A 32 cm C 16 cm B 20 cm D 12 cm

14. Diagram 10 shows a rectangle and an equilateral triangle.

36 cm

24 cm DIAGRAM 10 Find the perimeter of the whole diagram. A 54 cm C 114 cm B 78 cm D 138 cm

4

DIAGNOSTIK TASK

15. Diagram 11 shows a rectangle and an isosceles triangle. 11 cm 7 cm

6 cm DIAGRAM 11 The perimeter of the whole diagram is A 41 cm C 52 cm B 45 cm D 60 cm

5