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 clock is √21 𝑐𝑚 long. Find area described by the minute hand on the face of clock between 7 am and 7:05 am
The circumference of a circle is 39.6 cm. Find its area.
A horse is placed for grazing inside a rectangular field 70 m by 52 m. It is tethered to one corner by a rope 21 m long. On how much area can it graze? How much area is left ungrazed?
Find the curved surface area , the total surface area and the volume of a cone if its :
Height = 8 cm , diameter = 12 cm
A wire when bent in the form of a square encloses an area of 484 cm2. If the same wire is bent into the form of a circle, find the area of the circle.
Find the area and perimeter of the following sector :
Diameter = 42 cm, angle at the centre is 100·.
Find the volume and the surface area of the spheres in the following :
Radius= 2.1 cm
The circumference of a circle is 440 cm. Find its radius and diameter. (Take π = `22/7`)
Find the area and perimeter of the following semicircles: Radius = 1.4cm
The cost of decorating the circumference of a circular lawn of a house at the rate of ₹ 55 per metre is ₹ 16940. What is the radius of the lawn?
