Advertisements
Advertisements
Question
The circumference of a circular table is 88 m. Find its area.
Advertisements
Solution
Circumference of circle = 88 m
2πr = 88 m
`2 xx 22/7 xx r = 88`
`r = (88 xx 7)/(2 xx 22)`
r = 14 m
Area of circle = `pir^2`
= `22/7 xx 14 xx 14`
= 616 m2
APPEARS IN
RELATED QUESTIONS
A rectangular park is 100 m by 50 m. It is surrounding by semi-circular flower beds all round. Find the cost of levelling the semi-circular flower beds at 60 paise per square metre (use π = 3.14).
In the following figure, OABC is a square of side 7 cm. If OAPC is a quadrant of a circle with centre O, then find the area of the shaded region. (Use π = 22/7)

In the the following figure, PSR, RTQ and PAQ are three semicircles of diameter 10 cm, 3 cm and 7 cm respectively. Find the perimeter of shaded region.

The perimeter of a triangle is 30 cm and the circumference of its incircle is 88 cm. The area of the triangle is
The hour hand of a clock is 6 cm long. The area swept by it between 11.20 am and 11.55 am is
Find the area of a ring whose outer and inner radii are respectively 23 cm and 12 cm.
The circumference of a circular park is 352 m. Find the area of the park
Lalitha wants to buy a round carpet of radius is 63 cm for her hall. Find the area that will be covered by the carpet
Is the area of the circle inscribed in a square of side a cm, πa2 cm2? Give reasons for your answer.
A table top is semicircular in shape with diameter 2.8 m. Area of this table top is ______.
