Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) Radius and slant height of a cone are 13 cm and 29 cm respectively. Find its volume. 29cm 13cm cm3 Answer:_______________ |
| 2) Radius and slant height of a cone are 20 cm and 29 cm respectively. Find its volume. 29cm 20cm cm3 Answer:_______________ |
| 3) Radius and slant height of a cone are 17 cm and 29 cm respectively. Find its volume. 29cm 17cm cm3 Answer:_______________ |
| 4) Radius and slant height of a cone are 20 cm and 33 cm respectively. Find its volume. 33cm 20cm cm3 Answer:_______________ |
| 5) Radius and slant height of a cone are 20 cm and 28 cm respectively. Find its volume. 28cm 20cm cm3 Answer:_______________ |
| 6) Radius and slant height of a cone are 16 cm and 27 cm respectively. Find its volume. 27cm 16cm cm3 Answer:_______________ |
| 7) Radius and slant height of a cone are 11 cm and 24 cm respectively. Find its volume. 24cm 11cm cm3 Answer:_______________ |
| 8) Radius and slant height of a cone are 19 cm and 35 cm respectively. Find its volume. 35cm 19cm cm3 Answer:_______________ |
| 9) Radius and slant height of a cone are 13 cm and 27 cm respectively. Find its volume. 27cm 13cm cm3 Answer:_______________ |
| 10) Radius and slant height of a cone are 16 cm and 35 cm respectively. Find its volume. 35cm 16cm cm3 Answer:_______________ |
| 1) Radius and slant height of a cone are 13 cm and 29 cm respectively. Find its volume. 29cm 13cm Answer: 4589.07 cm3 SOLUTION 1 : Given: Rarius (r) = 13 cm slant height ( l ) = 29 cm Height (h) = √ l2-r2 = √ 292- 132 = √ 841-169 = √ 672 height (h) = 25.92 cm Volume of the cone = π r2h cubic unis. x x 13 x 13 x 25.92 Volume of the cone = 4589.07cm3
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| 2) Radius and slant height of a cone are 20 cm and 29 cm respectively. Find its volume. 29cm 20cm Answer: 8800.00 cm3 SOLUTION 1 : Given: Rarius (r) = 20 cm slant height ( l ) = 29 cm Height (h) = √ l2-r2 = √ 292- 202 = √ 841-400 = √ 441 height (h) = 21.00 cm Volume of the cone = π r2h cubic unis. x x 20 x 20 x 21.00 Volume of the cone = 8800.00cm3
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| 3) Radius and slant height of a cone are 17 cm and 29 cm respectively. Find its volume. 29cm 17cm Answer: 7111.88 cm3 SOLUTION 1 : Given: Rarius (r) = 17 cm slant height ( l ) = 29 cm Height (h) = √ l2-r2 = √ 292- 172 = √ 841-289 = √ 552 height (h) = 23.49 cm Volume of the cone = π r2h cubic unis. x x 17 x 17 x 23.49 Volume of the cone = 7111.88cm3
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| 4) Radius and slant height of a cone are 20 cm and 33 cm respectively. Find its volume. 33cm 20cm Answer: 11000.00 cm3 SOLUTION 1 : Given: Rarius (r) = 20 cm slant height ( l ) = 33 cm Height (h) = √ l2-r2 = √ 332- 202 = √ 1089-400 = √ 689 height (h) = 26.25 cm Volume of the cone = π r2h cubic unis. x x 20 x 20 x 26.25 Volume of the cone = 11000.00cm3
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| 5) Radius and slant height of a cone are 20 cm and 28 cm respectively. Find its volume. 28cm 20cm Answer: 8213.33 cm3 SOLUTION 1 : Given: Rarius (r) = 20 cm slant height ( l ) = 28 cm Height (h) = √ l2-r2 = √ 282- 202 = √ 784-400 = √ 384 height (h) = 19.60 cm Volume of the cone = π r2h cubic unis. x x 20 x 20 x 19.60 Volume of the cone = 8213.33cm3
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| 6) Radius and slant height of a cone are 16 cm and 27 cm respectively. Find its volume. 27cm 16cm Answer: 5833.14 cm3 SOLUTION 1 : Given: Rarius (r) = 16 cm slant height ( l ) = 27 cm Height (h) = √ l2-r2 = √ 272- 162 = √ 729-256 = √ 473 height (h) = 21.75 cm Volume of the cone = π r2h cubic unis. x x 16 x 16 x 21.75 Volume of the cone = 5833.14cm3
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| 7) Radius and slant height of a cone are 11 cm and 24 cm respectively. Find its volume. 24cm 11cm Answer: 2703.83 cm3 SOLUTION 1 : Given: Rarius (r) = 11 cm slant height ( l ) = 24 cm Height (h) = √ l2-r2 = √ 242- 112 = √ 576-121 = √ 455 height (h) = 21.33 cm Volume of the cone = π r2h cubic unis. x x 11 x 11 x 21.33 Volume of the cone = 2703.83cm3
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| 8) Radius and slant height of a cone are 19 cm and 35 cm respectively. Find its volume. 35cm 19cm Answer: 11115.02 cm3 SOLUTION 1 : Given: Rarius (r) = 19 cm slant height ( l ) = 35 cm Height (h) = √ l2-r2 = √ 352- 192 = √ 1225-361 = √ 864 height (h) = 29.39 cm Volume of the cone = π r2h cubic unis. x x 19 x 19 x 29.39 Volume of the cone = 11115.02cm3
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| 9) Radius and slant height of a cone are 13 cm and 27 cm respectively. Find its volume. 27cm 13cm Answer: 4188.95 cm3 SOLUTION 1 : Given: Rarius (r) = 13 cm slant height ( l ) = 27 cm Height (h) = √ l2-r2 = √ 272- 132 = √ 729-169 = √ 560 height (h) = 23.66 cm Volume of the cone = π r2h cubic unis. x x 13 x 13 x 23.66 Volume of the cone = 4188.95cm3
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| 10) Radius and slant height of a cone are 16 cm and 35 cm respectively. Find its volume. 35cm 16cm Answer: 8348.77 cm3 SOLUTION 1 : Given: Rarius (r) = 16 cm slant height ( l ) = 35 cm Height (h) = √ l2-r2 = √ 352- 162 = √ 1225-256 = √ 969 height (h) = 31.13 cm Volume of the cone = π r2h cubic unis. x x 16 x 16 x 31.13 Volume of the cone = 8348.77cm3
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