Advertisements
Advertisements
Question
Calculate the area of the shotput circle whose radius is 2.135 m.
Advertisements
Solution
Radius of the shotput circle r = `"d"/2`
= `2.135/2` m
Area of the circle = πr2
= `22/7 xx 2.135/2 xx 2.135/2`
= `25.07/7`
= 3.581 m2
∴ Area of the shotput circle = 3.581 m2
APPEARS IN
RELATED QUESTIONS
Find the length of the hypotenuse of an isosceles right-angled triangle whose area is `200^2` cm . Also, find its perimeter
The cost of fencing a square lawn at ₹ 14 per meter is ₹ 28000. Find the cost of mowing the lawn at ₹ 54 100 per `m^2`
Find the area of minor segment of a circle of radius 14 cm, when the angle of the corresponding sector is 600 .
In the following figure, the square ABCD is divided into five equal parts, all having same area. The central part is circular and the ines AE, GC, BF and HD lie along the diagonals AC and BD of the square. If AB = 22 cm, find:
the circumference of the central part.

In the following figure, OE = 20 cm. In sector OSFT, square OEFG is inscribed. Find the area of the shaded region.

What is the ratio of the areas of a circle and an equilateral triangle whose diameter and a side are respectively equal?
If area of a circle inscribed in an equilateral triangle is 48π square units, then perimeter of the triangle is
If the sum of the areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R, then ______.
Find the area of the segment shown in Fig. 2, if the radius of the circle is 21 cm and ∠AOB = 120° `( "Use" π = (22)/(7))`

Area of a quadrant of a circle of radius 7 cm is ______.
