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 22 cm and 22 cm respectively. Find its volume. 22cm 22cm cm3 Answer:_______________ |
| 2) Radius and slant height of a cone are 13 cm and 27 cm respectively. Find its volume. 27cm 13cm cm3 Answer:_______________ |
| 3) Radius and slant height of a cone are 13 cm and 32 cm respectively. Find its volume. 32cm 13cm cm3 Answer:_______________ |
| 4) Radius and slant height of a cone are 14 cm and 26 cm respectively. Find its volume. 26cm 14cm cm3 Answer:_______________ |
| 5) Radius and slant height of a cone are 11 cm and 29 cm respectively. Find its volume. 29cm 11cm cm3 Answer:_______________ |
| 6) Radius and slant height of a cone are 22 cm and 33 cm respectively. Find its volume. 33cm 22cm cm3 Answer:_______________ |
| 7) Radius and slant height of a cone are 19 cm and 23 cm respectively. Find its volume. 23cm 19cm cm3 Answer:_______________ |
| 8) Radius and slant height of a cone are 19 cm and 25 cm respectively. Find its volume. 25cm 19cm cm3 Answer:_______________ |
| 9) Radius and slant height of a cone are 15 cm and 22 cm respectively. Find its volume. 22cm 15cm cm3 Answer:_______________ |
| 10) Radius and slant height of a cone are 14 cm and 29 cm respectively. Find its volume. 29cm 14cm cm3 Answer:_______________ |
| 1) Radius and slant height of a cone are 22 cm and 22 cm respectively. Find its volume. 22cm 22cm Answer: 0.00 cm3 SOLUTION 1 : Given: Rarius (r) = 22 cm slant height ( l ) = 22 cm Height (h) = √ l2-r2 = √ 222- 222 = √ 484-484 = √ 0 height (h) = 0.00 cm Volume of the cone = π r2h cubic unis. x x 22 x 22 x 0.00 Volume of the cone = 0.00cm3
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| 2) 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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| 3) Radius and slant height of a cone are 13 cm and 32 cm respectively. Find its volume. 32cm 13cm Answer: 5176.87 cm3 SOLUTION 1 : Given: Rarius (r) = 13 cm slant height ( l ) = 32 cm Height (h) = √ l2-r2 = √ 322- 132 = √ 1024-169 = √ 855 height (h) = 29.24 cm Volume of the cone = π r2h cubic unis. x x 13 x 13 x 29.24 Volume of the cone = 5176.87cm3
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| 4) Radius and slant height of a cone are 14 cm and 26 cm respectively. Find its volume. 26cm 14cm Answer: 4498.85 cm3 SOLUTION 1 : Given: Rarius (r) = 14 cm slant height ( l ) = 26 cm Height (h) = √ l2-r2 = √ 262- 142 = √ 676-196 = √ 480 height (h) = 21.91 cm Volume of the cone = π r2h cubic unis. x x 14 x 14 x 21.91 Volume of the cone = 4498.85cm3
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| 5) Radius and slant height of a cone are 11 cm and 29 cm respectively. Find its volume. 29cm 11cm Answer: 3401.02 cm3 SOLUTION 1 : Given: Rarius (r) = 11 cm slant height ( l ) = 29 cm Height (h) = √ l2-r2 = √ 292- 112 = √ 841-121 = √ 720 height (h) = 26.83 cm Volume of the cone = π r2h cubic unis. x x 11 x 11 x 26.83 Volume of the cone = 3401.02cm3
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| 6) Radius and slant height of a cone are 22 cm and 33 cm respectively. Find its volume. 33cm 22cm Answer: 12473.37 cm3 SOLUTION 1 : Given: Rarius (r) = 22 cm slant height ( l ) = 33 cm Height (h) = √ l2-r2 = √ 332- 222 = √ 1089-484 = √ 605 height (h) = 24.60 cm Volume of the cone = π r2h cubic unis. x x 22 x 22 x 24.60 Volume of the cone = 12473.37cm3
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| 7) Radius and slant height of a cone are 19 cm and 23 cm respectively. Find its volume. 23cm 19cm Answer: 4901.35 cm3 SOLUTION 1 : Given: Rarius (r) = 19 cm slant height ( l ) = 23 cm Height (h) = √ l2-r2 = √ 232- 192 = √ 529-361 = √ 168 height (h) = 12.96 cm Volume of the cone = π r2h cubic unis. x x 19 x 19 x 12.96 Volume of the cone = 4901.35cm3
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| 8) Radius and slant height of a cone are 19 cm and 25 cm respectively. Find its volume. 25cm 19cm Answer: 6145.60 cm3 SOLUTION 1 : Given: Rarius (r) = 19 cm slant height ( l ) = 25 cm Height (h) = √ l2-r2 = √ 252- 192 = √ 625-361 = √ 264 height (h) = 16.25 cm Volume of the cone = π r2h cubic unis. x x 19 x 19 x 16.25 Volume of the cone = 6145.60cm3
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| 9) Radius and slant height of a cone are 15 cm and 22 cm respectively. Find its volume. 22cm 15cm Answer: 3792.64 cm3 SOLUTION 1 : Given: Rarius (r) = 15 cm slant height ( l ) = 22 cm Height (h) = √ l2-r2 = √ 222- 152 = √ 484-225 = √ 259 height (h) = 16.09 cm Volume of the cone = π r2h cubic unis. x x 15 x 15 x 16.09 Volume of the cone = 3792.64cm3
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| 10) Radius and slant height of a cone are 14 cm and 29 cm respectively. Find its volume. 29cm 14cm Answer: 5215.47 cm3 SOLUTION 1 : Given: Rarius (r) = 14 cm slant height ( l ) = 29 cm Height (h) = √ l2-r2 = √ 292- 142 = √ 841-196 = √ 645 height (h) = 25.40 cm Volume of the cone = π r2h cubic unis. x x 14 x 14 x 25.40 Volume of the cone = 5215.47cm3
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