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 and Diameter .whose radius is 42cm is circumference = Diameter of circle = ( ) |
| 2) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Diameter of circle = ( ) |
| 3) The circumference of a circle and Diameter .whose radius is 56cm is circumference = Diameter of circle = ( ) |
| 4) The circumference of a circle and Diameter .whose radius is 49cm is circumference = Diameter of circle = ( ) |
| 5) The circumference of a circle and Diameter .whose radius is 21cm is circumference = Diameter of circle = ( ) |
| 6) The circumference of a circle and Diameter .whose radius is 28cm is circumference = Diameter of circle = ( ) |
| 7) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Diameter of circle = ( ) |
| 8) The circumference of a circle and Diameter .whose radius is 14cm is circumference = Diameter of circle = ( ) |
| 9) The circumference of a circle and Diameter .whose radius is 42cm is circumference = Diameter of circle = ( ) |
| 10) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Diameter of circle = ( ) |
| 1) The circumference of a circle and Diameter .whose radius is 42cm is circumference = Answer: 264 Diameter of circle = Answer: 84 SOLUTION 1 : Circumference of the circle = 2πr r = 42 = 2 x x = 2 x 22 x 6 = 264 cm Circumference of the circle 264 cm. Diameter of the circle = 2r = 2 x 42 = 84 Diameter of the circle is 84. |
| 2) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Answer: 220 Diameter of circle = Answer: 70 SOLUTION 1 : Circumference of the circle = 2πr r = 35 = 2 x x = 2 x 22 x 5 = 220 cm Circumference of the circle 220 cm. Diameter of the circle = 2r = 2 x 35 = 70 Diameter of the circle is 70. |
| 3) The circumference of a circle and Diameter .whose radius is 56cm is circumference = Answer: 352 Diameter of circle = Answer: 112 SOLUTION 1 : Circumference of the circle = 2πr r = 56 = 2 x x = 2 x 22 x 8 = 352 cm Circumference of the circle 352 cm. Diameter of the circle = 2r = 2 x 56 = 112 Diameter of the circle is 112. |
| 4) The circumference of a circle and Diameter .whose radius is 49cm is circumference = Answer: 308 Diameter of circle = Answer: 98 SOLUTION 1 : Circumference of the circle = 2πr r = 49 = 2 x x = 2 x 22 x 7 = 308 cm Circumference of the circle 308 cm. Diameter of the circle = 2r = 2 x 49 = 98 Diameter of the circle is 98. |
| 5) The circumference of a circle and Diameter .whose radius is 21cm is circumference = Answer: 132 Diameter of circle = Answer: 42 SOLUTION 1 : Circumference of the circle = 2πr r = 21 = 2 x x = 2 x 22 x 3 = 132 cm Circumference of the circle 132 cm. Diameter of the circle = 2r = 2 x 21 = 42 Diameter of the circle is 42. |
| 6) The circumference of a circle and Diameter .whose radius is 28cm is circumference = Answer: 176 Diameter of circle = Answer: 56 SOLUTION 1 : Circumference of the circle = 2πr r = 28 = 2 x x = 2 x 22 x 4 = 176 cm Circumference of the circle 176 cm. Diameter of the circle = 2r = 2 x 28 = 56 Diameter of the circle is 56. |
| 7) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Answer: 220 Diameter of circle = Answer: 70 SOLUTION 1 : Circumference of the circle = 2πr r = 35 = 2 x x = 2 x 22 x 5 = 220 cm Circumference of the circle 220 cm. Diameter of the circle = 2r = 2 x 35 = 70 Diameter of the circle is 70. |
| 8) The circumference of a circle and Diameter .whose radius is 14cm is circumference = Answer: 88 Diameter of circle = Answer: 28 SOLUTION 1 : Circumference of the circle = 2πr r = 14 = 2 x x = 2 x 22 x 2 = 88 cm Circumference of the circle 88 cm. Diameter of the circle = 2r = 2 x 14 = 28 Diameter of the circle is 28. |
| 9) The circumference of a circle and Diameter .whose radius is 42cm is circumference = Answer: 264 Diameter of circle = Answer: 84 SOLUTION 1 : Circumference of the circle = 2πr r = 42 = 2 x x = 2 x 22 x 6 = 264 cm Circumference of the circle 264 cm. Diameter of the circle = 2r = 2 x 42 = 84 Diameter of the circle is 84. |
| 10) The circumference of a circle and Diameter .whose radius is 35cm is circumference = Answer: 220 Diameter of circle = Answer: 70 SOLUTION 1 : Circumference of the circle = 2πr r = 35 = 2 x x = 2 x 22 x 5 = 220 cm Circumference of the circle 220 cm. Diameter of the circle = 2r = 2 x 35 = 70 Diameter of the circle is 70. |