Test: Area & Perimeter of A Circle - Class 10 MCQ

Find the circumference of the circle, whose area is 144π cm²​

The area of a circular pizza is 616 cm². Its diameter is​

The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 40 cm and 9 cm is:​

The area of a circle with diameter 6 m exceeds the combined areas of circles with diameters 4m and 2 m by​

The area of a circular plot is 9856 sq. m. The cost of fencing the plot at the rate of Rs. 6 per meter will be​

The perimeter (in cm) of a square circumscribing a circle of radius a cm, is​

If the circumference of a circle increases from 2 to 4 then its area is

A sector of a circle of radius 10.5 cm subtends an angle of 45° at the centre of the circle as in adjoining figure. Find the perimeter of sector.

If the side of an equilateral triangle and the radius of a circle are equal, find the ratio of their areas.

The radii of two circles are 19 cm and 9 cm respectively. The radius of the circle which has its circumference equal to the sum of the circumferences of the two circles is:​

The sum of the diameters of two circles is 280 cm and the difference of their circumferences is 88 cm. Then the larger of the two radii is​

If the perimeter and area of a circle are numerically equal, then the radius of the circle is​

If the sum of the areas of two circles with radii R₁ and R₂ is equal to the area of a circle of radius R, then

If the difference between the circumference and the radius of a circle is 37 cm, then using π = 22/7, the circumference (in cm) of the circle is:​

The length of the line that marks out a circle and its region is the

If C is the circumference of a circle of radius r, then perimeter of one of the quadrants will be​

If the diameter of semicircular protractor is 14 cm, then its perimeter is:​

The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm is​

If the perimeter of a sector of a circle of radius 5.2 cm. is 16.4 cm. What multiple of the radius is the area of the sector?​

A garden roller has a circumference of 4 m. The number of revolutions it makes in moving 40 metres are:

The shaded part of the circle in the given figure represents a

​

The ratio of radii of two circles is in the ratio of 1:5. Calculate the ratio of their perimeters.​