Question
The area of a circle is nine times its circumference (numerically). What is the diameter of the circle?
More Circle Questions
- The minute hand of a clock is 28cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8: 45a.m
- If a wheel covers a distance of 660 m in 30 rotations, then the diameter of the wheel is?
- A circle has radius r. A square is inscribed inside it. Area of square is 242. Find radius.
- A metal wire when bent in the form of a square encloses an area 1089 cm 2 , if the same wire is bent in the form of a circle, then its area is?
- Find the area of a circle whose radius is 7 cm. Take π = 22/7.
- In a circle of radius 10 cm, a chord has length 16 cm. Find the distance of the chord from the centre of the circle.
- From an external point P, a tangent PT is drawn to a circle with centre O. If OP = 13 cm and radius = 5 cm, then PT is:
- In a circle of radius 7 cm, the area of a sector is (154/3) cm². Find the angle of the sector at the centre.
- Find the area of a circle of radius 7 cm. (Take π = 22/7)
- A circular racing track has been developed in a field. If the difference between the outer circumference and the inner circumference of the racing track is...
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