Advertisements
Advertisements
प्रश्न
Area of the circle obtained in 196 m2 is ______.
पर्याय
196 cm2
212 cm2
616 cm2
644 cm2
Advertisements
उत्तर
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
संबंधित प्रश्न
A rectangular park 35 m long and 18 m wide is to be covered with grass, leaving 2.5 m uncovered all around it. Find the area to be laid with grass.
A circular field has a perimeter of 650 m. A square plot having its vertices on the circumference of the field is marked in the field. Calculate the area of the square plot.
A wire is bent to form a square enclosing an area of 484 cm2. Using the same wire, a circle is formed. Find the area of the circle.
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.
Find the area of the shaded region in the given figure, where a circular arc of radius 6 cm has been drawn with vertex O of an equilateral triangle of side 12 cm as centre and a sector of circle of radius 6 cm with centre B is made. [Use `sqrt(3) = 1.73` and π = 3.14.]

A square tank has an area of 1600 cm2. There are four semicircular plots around it. Find the cost of turfing the plots at Rs 12.50 per m2. [Take π = 3.14.]
In the following figure, a rectangle ABCD enclosed three circles. If BC = 14 cm, find the area of the shaded portion (Take π = 22/7)

The floor of the circular swimming pool whose radius is 7 m has to be cemented at the rate of ₹ 18 per m2. Find the total cost of cementing the floor
Area of circle of radius ‘n’ units is
The area of the circle whose diameter is 21 cm is ____________.
