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Maths 8

The document contains 40 multiple-choice questions focused on the surface area and volume of prisms and cylinders, along with an answer key. Each question tests knowledge of formulas and calculations related to geometric shapes. The questions cover various shapes, including rectangular prisms, cylinders, and triangular prisms.
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0% found this document useful (0 votes)
17 views8 pages

Maths 8

The document contains 40 multiple-choice questions focused on the surface area and volume of prisms and cylinders, along with an answer key. Each question tests knowledge of formulas and calculations related to geometric shapes. The questions cover various shapes, including rectangular prisms, cylinders, and triangular prisms.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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ChatGPT4 | Midjourney:

Okay, here are 40 multiple-choice questions covering the surface area and volume of prisms and
cylinders. Choose the best answer for each. Good luck!

Surface Area & Volume: Prisms and Cylinders - Multiple Choice

1. The lateral surface area of a prism is the sum of the areas of the:

(a) bases (b) faces (c) non-base faces (d) all faces

2. The formula for the surface area of a right prism is SA = 2B + Ph, where B is the area of the base, P is
the perimeter of the base, and h is the:

(a) slant height (b) radius (c) height of the prism (d) diameter

3. The formula for the volume of any prism is V = Bh, where B is the area of the base, and h is the:

(a) height of the base (b) slant height (c) height of the prism (d) perimeter of the base

4. The surface area of a cylinder is given by SA = 2πr² + 2πrh, where r is the radius and h is the:

(a) slant height (b) diameter (c) height of the cylinder (d) circumference

5. The volume of a cylinder is given by V = πr²h, where r is the radius and h is the:

(a) diameter (b) height of the cylinder (c) circumference (d) slant height

6. A rectangular prism has dimensions 3 cm x 4 cm x 5 cm. What is its volume?

(a) 12 cm³ (b) 20 cm³ (c) 60 cm³ (d) 47 cm³

7. A cube has sides of length 6 inches. What is its surface area?


(a) 36 in² (b) 144 in² (c) 216 in² (d) 288 in²

8. A cylinder has a radius of 2 meters and a height of 5 meters. What is its volume? (Use π ≈ 3.14)

(a) 20 m³ (b) 62.8 m³ (c) 25.12 m³ (d) 125.6 m³

9. A triangular prism has a base that is a right triangle with legs of 3 ft and 4 ft. The height of the prism is
10 ft. What is its volume?

(a) 30 ft³ (b) 60 ft³ (c) 120 ft³ (d) 34 ft³

10. A cylinder has a diameter of 10 cm and a height of 8 cm. What is its lateral surface area? (Use π ≈
3.14)

(a) 251.2 cm² (b) 80 cm² (c) 160 cm² (d) 502.4 cm²

11. What is the area of the base of the cylinder if the radius of the base is 4 inches?

(a) 8π inches^2 (b) 16π inches^2 (c) 4π inches^2 (d) 64π inches^2

12. What is the surface area of a cube with side length 5cm?

(a) 25cm^2 (b) 100cm^2 (c) 150cm^2 (d) 125cm^2

13. The volume of a rectangular prism is 240 cubic inches. If the length is 8 inches and the width is 5
inches, what is the height?

(a) 4 inches (b) 6 inches (c) 12 inches (d) 48 inches

14. A cylinder has a volume of 100π cubic cm and a height of 4 cm. What is the radius of the base?

(a) 5 cm (b) 10 cm (c) 25 cm (d) 2.5 cm


15. The base of a prism is a square with side length 7 cm. The height of the prism is 12 cm. What is the
volume?

(a) 84 cm³ (b) 196 cm³ (c) 588 cm³ (d) 336 cm³

16. A triangular prism has a volume of 48 cubic meters. The area of the triangular base is 8 square
meters. What is the height of the prism?

(a) 4 m (b) 6 m (c) 8 m (d) 12 m

17. The surface area of a cylinder is 80π square inches. The radius of the base is 4 inches. What is the
height?

(a) 6 in (b) 8 in (c) 10 in (d) 12 in

18. If the dimensions of a rectangular prism are doubled, what happens to the volume?

(a) It doubles (b) It triples (c) It quadruples (d) It is multiplied by 8

19. If the radius of a cylinder is doubled, what happens to the volume? (Assume the height remains
constant).

(a) It doubles (b) It triples (c) It quadruples (d) It is multiplied by 8

20. What is the total surface area of a cylinder with radius 3 and height 7?

(a) 42π (b) 60π (c) 21π (d) 100π

21. A regular hexagonal prism has a base area of 50 square cm and a height of 10 cm. What is its
volume?

(a) 5 cm³ (b) 500 cm³ (c) 60 cm³ (d) 250 cm³

22. A rectangular prism is 2 feet wide, 6 feet long and 4 feet high. What is the surface area of the prism?
(a) 48 (b) 56 (c) 88 (d) 104

23. Which of the following is NOT a property of a prism?

(a) Two parallel bases (b) Lateral faces are rectangles (c) Bases are congruent polygons (d) Curved
surfaces

24. What is the formula for lateral surface area of a prism?

(a) SA = Ph (b) SA= 2B+PH (c) SA = πr^2h (d) SA = 4πr^2

25. A swimming pool is shaped like a rectangular prism. It is 20 feet long, 10 feet wide, and 6 feet deep.
How many cub

ic feet of water are needed to fill the pool?

(a) 1200 (b) 360 (c) 600 (d) 1800

26. A triangular prism has a base that is a right triangle with legs of 6 cm and 8 cm. The height of the
prism is 15 cm. What is the total surface area of the prism?

(a) 312 cm² (b) 384 cm² (c) 420 cm² (d) 432 cm²

27. What is the volume of a cylinder with a radius of 5 inches and a height of 12 inches?

(a) 30π in^3 (b) 300π in^3 (c) 60π in^3 (d) 330π in^3

28. The volume of a prism is 288 cm³. If the area of the base is 36 cm², what is the height of the prism?

(a) 6 cm (b) 7cm (c) 8 cm (d) 9 cm

29. What is the surface area of a cylinder with radius 2 and height 10?

(a) 24π (b) 40π (c) 48π (d) 68π


30. If the radius and height of a cylinder are both tripled, the volume will be multiplied by:

(a) 3 (b) 6 (c) 9 (d) 27

31. A soup can has a diameter of 7 cm and a height of 10 cm. How much paper is needed to make the
label (lateral surface area)? (Use π ≈ 3.14)

(a) 70 cm² (b) 219.8 cm² (c) 384.65 cm² (d) 439.6 cm²

32. What is the formula for calculating the volume of a cylinder?

(a) V = Bh (b) V = πr^2 h (c) V = lwh (d) all of the above

33. If the area of the square base of a prism is 16 cm² and the height is 5cm, what is the volume?

(a) 21cm^3 (b) 80cm^3 (c) 320cm^3 (d) 64cm^3

34. The radius of a cylinder is 3 cm, and the height is 8 cm. Find the volume of the cylinder.

(a) 72π cm^3 (b) 24π cm^3 (c) 144π cm^3 (d) 48π cm^3

35. A right prism has an equilateral triangular base with a side length of 4 inches and a height of 6
inches. What is the lateral area of the prism?

(a) 144 square inches (b) 72 square inches (c) 24 square inches (d) 96 square inches

36. Find the volume of a rectangular prism with a length of 10 cm, width of 6 cm, and height of 4 cm.

(a) 60 cm^3 (b) 240 cm^3 (c) 360 cm^3 (d) 480 cm^3

37. The volume of a cube is 64 cubic inches. What is the length of each edge of the cube?

(a) 2 inches (b) 4 inches (c) 8 inches (d) 16 inches


38. The perimeter of a square base of a prism is 20 cm and the height of the prism is 8 cm. What is the
lateral surface area?

(a) 40 cm^2 (b) 160 cm^2 (c) 320 cm^2 (d) 80 cm^2

39. A cylinder has a volume of 200π cubic units and a radius of 5 units. What is the height of the
cylinder?

(a) 4 units (b) 8 units (c) 12 units (d) 16 units

40. If you double the dimensions of a rectangular prism, how many times larger will the surface area be?

(a) 2 times (b) 4 times (c) 6 times (d) 8 times

Answer Key:

1. (c)

2. (c)

3. (c)

4. (c)

5. (b)

6. (c)

7. (c)

8. (b)

9. (b)

10. (a)

11. (b)

12. (c)

13. (b)
14. (a)

15. (c)

16. (b)

17. (a)

18. (d)

19. (c)

20. (b)

21. (b)

22. (d)

23. (d)

24. (a)

25. (a)

26. (b)

27. (b)

28. (c)

29. (c)

30. (d)

31. (b)

32. (d)

33. (b)

34. (a)

35. (b)

36. (b)

37. (b)

38. (b)
39. (b)

40. (b)

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