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A racing track is a circle of radius 28 cm. How many metres Kiran has to run if she takes two (2) rounds of the track?
Diameters of two circles are 15 cm and 25 cm respectively. What is the ratio of their circumferences?
Find the ratio of the areas of two circles whose radii is 7 cm and 14 cm.
Find the diameter of the circle whose circumference is 220 metres.
A wire is in the shape of a square of side 44 m. If it is refolded into a circular ring, find the radius of the ring.
Diameter of a wheel of a car is 70 cm. How much distance will it cover in 10 revolutions?
What is the area of triangle whose base is 36 cm and height is 7 cm?
What is the area of shaded ring if radii of two circles are 4 cm and 3 cm?
Find the area of the figure if the upper portion is a semi circle.
Find the area of the shaded triangle in the figure, where ABCD is a parallelogram.