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) The circumference of a circle whose radius is 21 cm is
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| 2) The circumference of a circle whose radius is 28 cm is
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| 3) The circumference of a circle whose radius is 35 cm is
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| 4) The circumference of a circle whose radius is 49 cm is
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| 5) The circumference of a circle whose radius is 42 cm is
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| 6) The circumference of a circle whose radius is 56 cm is
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| 7) The circumference of a circle whose radius is 14 cm is
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| 8) The circumference of a circle whose radius is 56 cm is
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| 9) The circumference of a circle whose radius is 56 cm is
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| 10) The circumference of a circle whose radius is 42 cm is
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| 1) The circumference of a circle whose radius is 21 cm is Answer: 132 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 3 = 132 cm Circumference of the circle 132 cm. |
| 2) The circumference of a circle whose radius is 28 cm is Answer: 176 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 4 = 176 cm Circumference of the circle 176 cm. |
| 3) The circumference of a circle whose radius is 35 cm is Answer: 220 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 5 = 220 cm Circumference of the circle 220 cm. |
| 4) The circumference of a circle whose radius is 49 cm is Answer: 308 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 7 = 308 cm Circumference of the circle 308 cm. |
| 5) The circumference of a circle whose radius is 42 cm is Answer: 264 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 6 = 264 cm Circumference of the circle 264 cm. |
| 6) The circumference of a circle whose radius is 56 cm is Answer: 352 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 8 = 352 cm Circumference of the circle 352 cm. |
| 7) The circumference of a circle whose radius is 14 cm is Answer: 88 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 2 = 88 cm Circumference of the circle 88 cm. |
| 8) The circumference of a circle whose radius is 56 cm is Answer: 352 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 8 = 352 cm Circumference of the circle 352 cm. |
| 9) The circumference of a circle whose radius is 56 cm is Answer: 352 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 8 = 352 cm Circumference of the circle 352 cm. |
| 10) The circumference of a circle whose radius is 42 cm is Answer: 264 SOLUTION 1 : Circumference of the circle = 2πr = 2 x x = 2 x 22 x 6 = 264 cm Circumference of the circle 264 cm. |