Perimeter and Area Worksheet for Maths Olympiad

Maths Olympiad topic 11: Perimeter and area · Set 400 · 40 questions

How to solve it (Round or inside?): Rectangle: perimeter = 2 × (length + width); area = length × width. Square: perimeter = 4 × side; area = side × side. From the perimeter, side = perimeter ÷ 4. Missing side: width = area ÷ length.

1. 1.A rectangle has an area of 40 sq cm and a length of 20 cm. What is its width? (a) 3 cm (b) 4 cm (c) 20 cm (d) 2 cm
2. 2.A rectangle is 6 cm long and 2 cm wide. What is its perimeter? (a) 16 cm (b) 8 cm (c) 14 cm (d) 12 cm
3. 3.A square has a perimeter of 40 cm. What is its area? (a) 40 sq cm (b) 121 sq cm (c) 20 sq cm (d) 100 sq cm
4. 4.A rectangle is 12 cm long and 10 cm wide. What is its area? (a) 132 sq cm (b) 44 sq cm (c) 22 sq cm (d) 120 sq cm
5. 5.A rectangle has an area of 30 sq cm and a length of 15 cm. What is its width? (a) 2 cm (b) 4 cm (c) 15 cm (d) 3 cm
6. 6.A rectangle has an area of 156 sq cm and a length of 13 cm. What is its width? (a) 13 cm (b) 12 cm (c) 143 cm (d) 24 cm
7. 7.A rectangle is 12 cm long and 4 cm wide. What is its area? (a) 60 sq cm (b) 32 sq cm (c) 48 sq cm (d) 16 sq cm
8. 8.A rectangle has an area of 160 sq cm and a length of 16 cm. What is its width? (a) 20 cm (b) 11 cm (c) 10 cm (d) 144 cm
9. 9.A rectangle is 15 cm long and 7 cm wide. What is its perimeter? (a) 44 cm (b) 37 cm (c) 22 cm (d) 105 cm
10. 10.A rectangle is 9 cm long and 4 cm wide. What is its area? (a) 26 sq cm (b) 13 sq cm (c) 45 sq cm (d) 36 sq cm
11. 11.A rectangle is 10 cm long and 4 cm wide. What is its area? (a) 28 sq cm (b) 14 sq cm (c) 40 sq cm (d) 50 sq cm
12. 12.A rectangle is 12 cm long and 3 cm wide. What is its area? (a) 15 sq cm (b) 30 sq cm (c) 48 sq cm (d) 36 sq cm
13. 13.A rectangle has an area of 100 sq cm and a length of 20 cm. What is its width? (a) 6 cm (b) 80 cm (c) 5 cm (d) 10 cm
14. 14.A square has a perimeter of 56 cm. What is its area? (a) 196 sq cm (b) 56 sq cm (c) 28 sq cm (d) 225 sq cm
15. 15.A rectangle has an area of 35 sq cm and a length of 7 cm. What is its width? (a) 5 cm (b) 10 cm (c) 28 cm (d) 6 cm
16. 16.A rectangle is 7 cm long and 4 cm wide. What is its area? (a) 22 sq cm (b) 28 sq cm (c) 35 sq cm (d) 11 sq cm
17. 17.A rectangle is 10 cm long and 3 cm wide. What is its area? (a) 30 sq cm (b) 40 sq cm (c) 26 sq cm (d) 13 sq cm
18. 18.A rectangle is 18 cm long and 9 cm wide. What is its area? (a) 162 sq cm (b) 180 sq cm (c) 54 sq cm (d) 27 sq cm
19. 19.A rectangle has an area of 77 sq cm and a length of 11 cm. What is its width? (a) 14 cm (b) 8 cm (c) 66 cm (d) 7 cm
20. 20.A rectangle is 16 cm long and 7 cm wide. What is its perimeter? (a) 46 cm (b) 39 cm (c) 23 cm (d) 112 cm
21. 21.A rectangle is 7 cm long and 2 cm wide. What is its perimeter? (a) 14 cm (b) 9 cm (c) 18 cm (d) 16 cm
22. 22.A rectangle is 9 cm long and 3 cm wide. What is its area? (a) 27 sq cm (b) 24 sq cm (c) 12 sq cm (d) 36 sq cm
23. 23.A rectangle is 16 cm long and 8 cm wide. What is its perimeter? (a) 128 cm (b) 40 cm (c) 48 cm (d) 24 cm
24. 24.A rectangle is 19 cm long and 9 cm wide. What is its perimeter? (a) 56 cm (b) 47 cm (c) 171 cm (d) 28 cm
25. 25.A rectangle has an area of 8 sq cm and a length of 4 cm. What is its width? (a) 4 cm (b) 2 cm (c) 3 cm (d) 1 cm
26. 26.A rectangle is 7 cm long and 6 cm wide. What is its perimeter? (a) 13 cm (b) 20 cm (c) 26 cm (d) 42 cm
27. 27.A rectangle has an area of 75 sq cm and a length of 15 cm. What is its width? (a) 60 cm (b) 6 cm (c) 10 cm (d) 5 cm
28. 28.A square has a perimeter of 24 cm. What is its area? (a) 49 sq cm (b) 12 sq cm (c) 24 sq cm (d) 36 sq cm
29. 29.A rectangle is 14 cm long and 12 cm wide. What is its perimeter? (a) 40 cm (b) 52 cm (c) 168 cm (d) 26 cm
30. 30.A rectangle is 6 cm long and 4 cm wide. What is its area? (a) 30 sq cm (b) 20 sq cm (c) 24 sq cm (d) 10 sq cm
31. 31.A rectangle is 6 cm long and 3 cm wide. What is its perimeter? (a) 15 cm (b) 9 cm (c) 19 cm (d) 18 cm
32. 32.A rectangle is 6 cm long and 4 cm wide. What is its perimeter? (a) 16 cm (b) 20 cm (c) 24 cm (d) 10 cm
33. 33.A rectangle is 20 cm long and 10 cm wide. What is its perimeter? (a) 60 cm (b) 200 cm (c) 30 cm (d) 50 cm
34. 34.A rectangle is 8 cm long and 3 cm wide. What is its perimeter? (a) 19 cm (b) 24 cm (c) 22 cm (d) 11 cm
35. 35.A rectangle is 8 cm long and 7 cm wide. What is its perimeter? (a) 30 cm (b) 56 cm (c) 15 cm (d) 23 cm
36. 36.A rectangle is 17 cm long and 11 cm wide. What is its area? (a) 187 sq cm (b) 28 sq cm (c) 56 sq cm (d) 204 sq cm
37. 37.A rectangle has an area of 98 sq cm and a length of 14 cm. What is its width? (a) 8 cm (b) 7 cm (c) 84 cm (d) 14 cm
38. 38.A rectangle has an area of 170 sq cm and a length of 17 cm. What is its width? (a) 11 cm (b) 153 cm (c) 10 cm (d) 20 cm
39. 39.A rectangle has an area of 85 sq cm and a length of 17 cm. What is its width? (a) 6 cm (b) 68 cm (c) 10 cm (d) 5 cm
40. 40.A rectangle is 8 cm long and 6 cm wide. What is its area? (a) 28 sq cm (b) 14 sq cm (c) 56 sq cm (d) 48 sq cm

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