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
The area of a rectangle is 192 cm2 and its perimeter is 56 cm. Find the dimensions of the rectangle.
Find the area enclosed between two concentric circles of radii 3.5 cm and 7 cm. A third concentric circle is drawn outside the 7 cm circle , such that the area enclosed between it and the 7 cm circle is same as that between the two inner circles . Find the radius of the third circle correct to one decimal place.
An arc subtends an angle of 90° at the centre of the circle of the radius 14 cm. Write the area of minor sector thus formed in terms of π.
Find the area of the largest triangle that can be inscribed in a semi-circle of radius runits.
If he area of a sector of a circle is \[\frac{7}{20}\] of the area of the circle, then the sector angle is equal to
If the area of a circle is numerically equal to twice its circumference, then what is the diameter of the circle?
Lalitha wants to buy a round carpet of radius is 63 cm for her hall. Find the area that will be covered by the carpet
The area of the circle whose diameter is 21 cm is ____________.
In figure, AB is a diameter of the circle, AC = 6 cm and BC = 8 cm. Find the area of the shaded region (Use π = 3.14).
Pizza factory has come out with two kinds of pizzas. A square pizza of side 45 cm costs ₹ 150 and a circular pizza of diameter 50 cm costs ₹ 160 (see figure). Which pizza is a better deal?

