A circle and a rectangle have the same perimeter.The sides of the rectangle are 40cm and 26cm.What is the area of the circle?
Perimeter of rectangle=2(40+26)=2*66=132
Circumference=2*22/7*r=132,r=21
Area= π*r*r=22/7*21*21=1386
The length of a rectangle is twice the diameter circle.The circumference of the circle is equal to area of a square of side 22cm.What is the breadth of rectangle if its perimeter is 668cm?
The number of revolutions of wheel of diameter 70cm makes in travelling a distance of 990m is
The circumference of two circles is 88m and 220m respectively.What is the difference between the area of larger circle and smaller circle?
What is the area of a circle whose circumference is 132cm?
The area of a circle of radius 7 is numerically what percent of its circumference?
