Advertisements
Advertisements
Question
The circumference of a circular park is 352 m. Find the area of the park
Advertisements
Solution
Circumference of a Circle = 2πr units
Given circumference of a circular park = 352 m
2πr = 352
`2 xx 22/7 xx "r"` = 352
r = `352 xx 7/22 xx 1/2` = 56 m
Area of the park = πr2
= `22/7 xx 56 xx 56 "sq.units"`
= 22 × 8 × 56
= 9856 m2
∴ Area of the Circular park = 9856 m2
APPEARS IN
RELATED QUESTIONS
Two concentric circles of radii a and b (a > b) are given. Find the length of the chord of the larger circle which touches the smaller circle.
The outer circumference of a circular race-track is 528 m . The track is everywhere 14 m wide. Calculate the cost of levelling the track at the rate of 50 paise per square metre.
`(use pi=22/7). `
If the radius of a circle is diminished by 10%, then its area is diminished by
A square is inscribed in a circle. Find the ratio of the areas of the circle and the square.
In the given figure, O is the centre of the circle with AC = 24 cm, AB = 7 cm and ∠BOD = 90°. Find the area of shaded region. [Use π = 3.14.]
In the given figure, PQ = 24 cm, PR = 7 cm and O is the centre of the circle. Find the area of the shaded region. [Take π = 3.14.]
In the given figure, a square OABC has been inscribed in the quadrant OPBQ. If OA = 20 cm, then the area of the shaded region is ______.
In the given figure, ABCD is a rectangle inscribed in a circle having length 8 cm and breadth 6 cm. If π = 3.14, then the area of the shaded region is:
The diameters of two circles are 32 cm and 24 cm. Find the radius of the circle having its area equal to the sum of the areas of the two given circles.
In figure, a square of diagonal 8 cm is inscribed in a circle. Find the area of the shaded region.
