Circumference of Circle
Circumference of Circle
Circumference of A Circle: To calculate the circumference of a circle, use the formula
If you have the radius instead of the diameter, multiply it by 2 to get the diameter. You can also use the formula for circumference of a circle using radius, which is .
Example: Find the circumference of the circle with a diameter of 8 inches.
Solution: C = 3.14 X 8 = 25.163 inch.
Example: Find the circumference of the circle with a radius of 7cm.
Solution: C =
If the ratio of circumference of two circles is 5: 7, the ratio of their area is: | |||
| Right Option : B | |||
| View Explanation | |||
The radius of wheel is 1.4 decimeter. How many times does it go around during a journey of 0.66 km? | |||
| Right Option : B | |||
| View Explanation | |||
A wheel of 1000 revolutions is covering a distance of 88 km. The diameter of the wheel is ________________- | |||
| Right Option : C | |||
| View Explanation | |||
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My experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
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8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
