Surface area of a cube or a rectangular prism Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to Surface area of a cube or a rectangular prism. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : C

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 8 cm; w = 5 cm; h = 9 cm

Step 2:

Surface area of given prism = 2(8×5 + 8×9 + 9×5)

= 2(40 + 72 + 45)

= 314 square cm

Answer : A

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 5 cm; w = 3 cm; h = 3 cm

Step 2:

Surface area of given prism = 2(5×3 + 5×3 + 3×3)

= 2(15 + 15 + 9)

= 78 square cm

Answer : B

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 3 cm; w = 6 cm; h = 4 cm

Step 2:

Surface area of given prism = 2(3×6 + 3×4 + 6×4)

= 2(18 + 12 + 24)

= 108 square cm

Answer : D

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 3 cm; w = 5 cm; h = 9 cm

Step 2:

Surface area of given prism = 2(3×5 + 3×9 + 9×5)

= 2(15 + 27 + 45)

= 174 square cm

Answer : A

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 5 cm; w = 6 cm; h = 4 cm

Step 2:

Surface area of given prism = 2(5×6 + 5×4 + 6×4)

= 2(30 + 20 + 24)

= 148 square cm

Answer : C

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 6 cm; w =9 cm; h = 6 cm

Step 2:

Surface area of given prism = 2(6×9 + 6×6 + 9×6)

= 2(54 + 36 + 54)

= 288 square cm

Answer : B

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 6 cm; w = 4 cm; h = 5 cm

Step 2:

Surface area of given prism = 2(6×4 + 6×5 + 4×5)

= 2(24 + 30 + 20)

= 148 square cm

Answer : D

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 6 cm; w = 5 cm; h = 3 cm

Step 2:

Surface area of given prism = 2(6×5 + 6×3 + 5×3)

= 2(30 + 18 + 15)

= 126 square cm

Answer : A

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 9 cm; w = 3 cm; h = 2 cm

Step 2:

Surface area of given prism = 2(9×3 + 9×2 + 3×2)

= 2(27 + 18 + 6)

= 102 square cm

Answer : C

Explanation

Step 1:

Surface area of a rectangular prism = 2(lw + wh + 1h); l = 2 cm; w = 6 cm; h = 5 cm

Step 2:

Surface area of given prism = 2(2×6 + 2×5 + 6×5)

= 2(12 + 10 + 30)

= 104 square cm

surface_area_of_cube_or_rectangular_prism.htm
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