Perimeter and Area Worksheet for Maths Olympiad

Maths Olympiad topic 11: Perimeter and area · Set 946 · 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 120 sq cm and a length of 12 cm. What is its width? (a) 20 cm (b) 108 cm (c) 11 cm (d) 10 cm
2. 2.A rectangle has an area of 60 sq cm and a length of 20 cm. What is its width? (a) 40 cm (b) 4 cm (c) 3 cm (d) 6 cm
3. 3.A rectangle has an area of 34 sq cm and a length of 17 cm. What is its width? (a) 3 cm (b) 2 cm (c) 17 cm (d) 4 cm
4. 4.A rectangle has an area of 180 sq cm and a length of 18 cm. What is its width? (a) 11 cm (b) 10 cm (c) 162 cm (d) 20 cm
5. 5.A rectangle is 9 cm long and 6 cm wide. What is its area? (a) 15 sq cm (b) 54 sq cm (c) 30 sq cm (d) 63 sq cm
6. 6.A rectangle is 20 cm long and 3 cm wide. What is its perimeter? (a) 23 cm (b) 60 cm (c) 43 cm (d) 46 cm
7. 7.A rectangle is 19 cm long and 3 cm wide. What is its area? (a) 57 sq cm (b) 22 sq cm (c) 44 sq cm (d) 76 sq cm
8. 8.A square has a perimeter of 24 cm. What is its area? (a) 36 sq cm (b) 49 sq cm (c) 24 sq cm (d) 12 sq cm
9. 9.A rectangle is 10 cm long and 4 cm wide. What is its perimeter? (a) 24 cm (b) 28 cm (c) 14 cm (d) 40 cm
10. 10.A rectangle is 18 cm long and 10 cm wide. What is its perimeter? (a) 180 cm (b) 56 cm (c) 46 cm (d) 28 cm
11. 11.A rectangle is 6 cm long and 2 cm wide. What is its area? (a) 18 sq cm (b) 12 sq cm (c) 8 sq cm (d) 16 sq cm
12. 12.A rectangle is 20 cm long and 7 cm wide. What is its area? (a) 27 sq cm (b) 54 sq cm (c) 160 sq cm (d) 140 sq cm
13. 13.A rectangle has an area of 133 sq cm and a length of 19 cm. What is its width? (a) 7 cm (b) 8 cm (c) 114 cm (d) 14 cm
14. 14.A rectangle is 13 cm long and 3 cm wide. What is its area? (a) 39 sq cm (b) 52 sq cm (c) 16 sq cm (d) 32 sq cm
15. 15.A square has a perimeter of 32 cm. What is its area? (a) 16 sq cm (b) 64 sq cm (c) 32 sq cm (d) 81 sq cm
16. 16.A rectangle is 7 cm long and 5 cm wide. What is its perimeter? (a) 35 cm (b) 24 cm (c) 19 cm (d) 12 cm
17. 17.A rectangle is 10 cm long and 2 cm wide. What is its area? (a) 12 sq cm (b) 30 sq cm (c) 20 sq cm (d) 24 sq cm
18. 18.A rectangle is 7 cm long and 2 cm wide. What is its area? (a) 9 sq cm (b) 18 sq cm (c) 14 sq cm (d) 21 sq cm
19. 19.A rectangle is 10 cm long and 8 cm wide. What is its perimeter? (a) 18 cm (b) 28 cm (c) 80 cm (d) 36 cm
20. 20.A rectangle is 16 cm long and 3 cm wide. What is its perimeter? (a) 38 cm (b) 19 cm (c) 48 cm (d) 35 cm
21. 21.A rectangle has an area of 176 sq cm and a length of 16 cm. What is its width? (a) 12 cm (b) 160 cm (c) 22 cm (d) 11 cm
22. 22.A rectangle is 15 cm long and 5 cm wide. What is its area? (a) 20 sq cm (b) 90 sq cm (c) 40 sq cm (d) 75 sq cm
23. 23.A rectangle has an area of 168 sq cm and a length of 14 cm. What is its width? (a) 13 cm (b) 154 cm (c) 24 cm (d) 12 cm
24. 24.A rectangle is 16 cm long and 7 cm wide. What is its area? (a) 112 sq cm (b) 46 sq cm (c) 23 sq cm (d) 128 sq cm
25. 25.A rectangle has an area of 36 sq cm and a length of 9 cm. What is its width? (a) 4 cm (b) 27 cm (c) 8 cm (d) 5 cm
26. 26.A rectangle is 18 cm long and 4 cm wide. What is its perimeter? (a) 72 cm (b) 22 cm (c) 40 cm (d) 44 cm
27. 27.A rectangle has an area of 99 sq cm and a length of 11 cm. What is its width? (a) 10 cm (b) 18 cm (c) 88 cm (d) 9 cm
28. 28.A rectangle has an area of 143 sq cm and a length of 13 cm. What is its width? (a) 22 cm (b) 130 cm (c) 12 cm (d) 11 cm
29. 29.A rectangle is 12 cm long and 7 cm wide. What is its perimeter? (a) 19 cm (b) 31 cm (c) 84 cm (d) 38 cm
30. 30.A rectangle is 7 cm long and 3 cm wide. What is its area? (a) 21 sq cm (b) 10 sq cm (c) 20 sq cm (d) 28 sq cm
31. 31.A rectangle has an area of 77 sq cm and a length of 11 cm. What is its width? (a) 14 cm (b) 66 cm (c) 7 cm (d) 8 cm
32. 32.A rectangle has an area of 70 sq cm and a length of 10 cm. What is its width? (a) 7 cm (b) 60 cm (c) 8 cm (d) 14 cm
33. 33.A rectangle is 16 cm long and 7 cm wide. What is its perimeter? (a) 23 cm (b) 112 cm (c) 39 cm (d) 46 cm
34. 34.A rectangle has an area of 220 sq cm and a length of 20 cm. What is its width? (a) 11 cm (b) 200 cm (c) 22 cm (d) 12 cm
35. 35.A rectangle is 8 cm long and 6 cm wide. What is its perimeter? (a) 28 cm (b) 22 cm (c) 14 cm (d) 48 cm
36. 36.A rectangle has an area of 42 sq cm and a length of 7 cm. What is its width? (a) 12 cm (b) 6 cm (c) 35 cm (d) 7 cm
37. 37.A rectangle is 18 cm long and 11 cm wide. What is its area? (a) 29 sq cm (b) 198 sq cm (c) 216 sq cm (d) 58 sq cm
38. 38.A rectangle is 8 cm long and 4 cm wide. What is its area? (a) 32 sq cm (b) 40 sq cm (c) 24 sq cm (d) 12 sq cm
39. 39.A rectangle is 17 cm long and 10 cm wide. What is its perimeter? (a) 170 cm (b) 27 cm (c) 44 cm (d) 54 cm
40. 40.A rectangle is 19 cm long and 9 cm wide. What is its area? (a) 171 sq cm (b) 190 sq cm (c) 28 sq cm (d) 56 sq cm

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