Advertisements
Advertisements
Question
Find the area of the circle if its circumfence is 88 cm.
Solution
Circumference = 88 cm
⇒ 2πr = 88
⇒ r = `(88 xx 7)/(2 xx 22)`
= 14 cm
Area of the circle = πr2
= `22/7 xx (14)^2`
= 616 cm2
RELATED QUESTIONS
In the figure given below, PQRS is square lawn with side PQ = 42 metres. Two circular flower beds are there on the sides PS and QR with centre at O, the intersections of its
diagonals. Find the total area of the two flower beds (shaded parts).
Find the circumferences of a circle whose radius is 7 cm.
The radii of two concentric circles are 19 cm and 16 cm respectively. The area of the ring enclosed by these circles is
Diameter of the circular garden is 42 m. There is a 3.5 m wide road around the garden. Find the area of the road.
Each wheel of a car is of diameter 80 cm. How many completer revolutions does each wheel make in 10 minutes when the car is traveling at a speed of 66 km per hour?
The sum of the circumference and diameter of a circle is 176 cm. Find the area of the circle.
The diameter of two circles are 28 cm and 24 cm. Find the circumference of the circle having its area equal to sum of the areas of the two circles.
The diameter of the bullock cart wheel is 1.4 m. Find the distance covered by it in 150 rotations?
In a circle of diameter 42 cm, if an arc subtends an angle of 60° at the centre, where `pi = 22/7` then length of an arc is ____________.
The distance around a circle is its ______.
