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
Find the length of the hypotenuse of an isosceles right-angled triangle whose area is `200^2` cm . Also, find its perimeter
The base of an isosceles triangle measures 80 cm and its area is 2 `360 . cm^2` Find the perimeter of the triangle.
A 80 m by 64 m rectangular lawn has two roads, each 5 m wide, running through its middle, one parallel to its length and the other parallel to its breadth. Find the cost of gravelling the reads at ₹` 40 per m^2`
The adjacent sides of a parallelogram are 32 cm and 24 cm. If the distance between the longer sides is 17.4 cm, find the distance between the shorter sides.
A square of diagonal 8 cm is inscribed in a circle. Find the area of the region lying outside the circle and inside the square.
In the following figure, ABCD is a rectangle, having AB = 20 cm and BC = 14 cm. Two sectors of 180° have been cut off. Calculate:
the length of the boundary of the shaded region.
If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm, then its area is
The area of the circle that can be inscribed in a square of side 10 cm is
If diameter of a circle is increased by 40%, then its area increase by
The ratio of the area of a circle to the area of its semicircle is
