Advertisements
Advertisements
Question
Area of the circle obtained in 196 m2 is ______.
Options
196 cm2
212 cm2
616 cm2
644 cm2
Advertisements
Solution
Area of the circle obtained in 196 m2 is `bb(underline(616 cm^2))`
Explanation:
We know that, area of circle = πr2
= `22/7 xx 14 xx 14`
= 22 × 14 × 2
= 616 cm2
APPEARS IN
RELATED QUESTIONS
The area of a square filed is 8 hectares. How long would a man take to cross it diagonally by walking at the rate of 4 km per hour?
A chord of a circle of radius 20 cm sub tends an angle of 900 at the centre . Find the area of the corresponding major segment of the circle
( Use \[\pi = 3 . 14\])
If the numerical value of the area of a circle is equal to the numerical value of its circumference , find its radius.
If the area of a sector of a circle bounded by an arc of length 5π cm is equal to 20π cm2, then its radius is
The area of a sector whose perimeter is four times its radius r units, is
The short and long hands of a clock are 4 cm and 6 cm long respectively. Find the sum of distances travelled by their tips in 2 days.
A round table cover has six equal designs as shown in the given figure. If the radius of the cover is 35 cm, then find the total area of the design. [Use `sqrt(3) = 1.732` and π = 3.14.]

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 ______.
The diameter of a wheel is 40 cm. How many revolutions will it make in covering 176 m?
A steel wire, when bent in the form of a square, encloses an area of 121 cm2. The same wire is bent in the form of a circle. Find area the circle.
