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प्रश्न
Area of circle of radius ‘n’ units is
विकल्प
2πrp sq.units
πm2 sq.units
πr2 sq.units
πn2 sq.units
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उत्तर
Area of circle of radius ‘n’ units is πn2 sq.units
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संबंधित प्रश्न
Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm × 7 cm. Find the area of the remaining card board. (Use π = 22/7).
In the following figure, ABC is a right-angled triangle, ∠B = 90°, AB = 28 cm and BC = 21 cm. With AC as diameter a semicircle is drawn and with BC as radius a quarter circle is drawn. Find the area of the shaded region correct to two decimal places.
In a circle of radius 10 cm, an arc subtends an angle of 108° at the centre. what is the area of the sector in terms of π?
If the difference between the circumference and radius of a circle is 37 cm, then using π = \[\frac{22}{7}\] the circumference (in cm) of the circle is
If the area of a circle is equal to the sum of the areas of two circles of diameters 10 cm and 24 cm, then diameter of the large circle (in cm) is
A square is inscribed in a circle. Find the ratio of the areas of the circle and the square.
The radius of a wheel is 0.25 m. How many revolutions will it make in covering 11 km?
In figure, a square of diagonal 8 cm is inscribed in a circle. Find the area of the shaded region.
Area of the circle obtained in 196 m2 is ______.
Area of a quadrant of a circle of radius 7 cm is ______.
