Advertisements
Advertisements
प्रश्न
The circumference of a circular table is 88 m. Find its area.
Advertisements
उत्तर
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
संबंधित प्रश्न
The length of a rectangular park is twice its breadth and its perimeter is 840 m. Find the area of the park.
Find the area of a parallelogram with base equal to 25 cm and the corresponding height measuring 16.8 cm.
A road which is 7 m wide surrounds a circular park whose circumference is 352 m . Find the area of the road .
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.
In the given figure, the side of square is 28 cm and radius of each circle is half of the length of the side of the square where O and O' are centres of the circles. Find the area of shaded region.
If the area of a square is same as the area of a circle, then the ratio of their perimeters, in terms of π, is
A circular disc of radius 6 cm is divided into three sectors with central angles 90°,120° and 150°. What part of the whole circle is the sector with central angle 150°? Also, calculate the ratio of the areas of the three sectors.
A steel wire, when bent in the form of a square, encloses an area of 121 cm2. The same wire is bent in the form of a circle. Find area the circle.
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))`
Find the area of the shaded region:
