Advertisements
Advertisements
प्रश्न
Area of circular garden with diameter 8 m is ______.
पर्याय
12.56 m2
25.12 m2
50.24 m2
200.96 m2
Advertisements
उत्तर
Area of circular garden with diameter 8 m is `bb(underline(50.24 cm^2))`.
Explanation:
Given, diameter = 8 m
So, radius = `8/2` m = 4 m ...`[∵ "Radius" = "Diameter"/2]`
∴ Area of circular garden = πr2 = `22/7 xx 4 xx 4` = 50.24 m2
APPEARS IN
संबंधित प्रश्न
The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour. (Take π = 3.14)
The areas of two circles are in the ratio 4: 9. What is the ratio between their circumferences?
A copper wire when bent in the form of a square encloses an area of 484 cm2. The same wire is not bent in the form of a circle. Find the area enclosed by the circle.
A boy is cycling in such a way that the wheels of his bicycle are making 140 revolutions per minute. If the diameter of a wheel is 60 cm, calculate the speed (in km/h) at which the boy is cycling.
The areas of two circles are in the ratio 9 : 4. The ratio of their circumferences is
The radius of the circle is given below; find the area.
28 cm
The area of a circular ring enclosed between two concentric circles is 88 cm 2. Find the radii of the two circles, if their difference is 1 cm.
A wire bent in the form of an equilateral triangle has an area of 121 `sqrt 3` cm2. If the same wire is bent into the form of a circle , find the area enclosed by the wire.
A wire when bent in the form of a square encloses an area of 484cm2. If the same wire is bent into the form of a circle, find the area of the circle.
A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle, its radius is ______.
