#### Find the circumference and area of a circle of radius 20 cm. (use π = 3.14)

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#### The minute hand of a tower clock is 1.4 m long. How far does the tip of the hand move in 1 hour?

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#### A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase if he makes 2 rounds of the fence. Also find the cost of the rope, if it costs ₹ 4 per metre.

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**More Solutions:**

- Then the area of the resulting triangle:
- The circumference of the circle with diameter 28 cm:
- Then the radius of the circle is:
- If the ratio of the radii of two circles is 2:
- The perimeter of a semicircle (including its diameter) of radius 7 cm is:
- Area of a rectangle and the area of a circle are equal.
- Find the area of the trapezium ACDE.