The area of a circle of radius 7 is numerically what percent of its circumference?
Area=∏r²=22/7*7*7=154
Circumference=2*22/7*7=44
Percent=(154*100)/44=350%
The radius of a circular wheel is 7/4m.How many revolutions will it make in travelling 11km?
Find the radius of a circular field whose circumference measures 11/2km
Areas of two circles are in the ratio 25:64.Find ratio of their radii?
Find the circumference of a circle whose radius is 42m
The length of two diagonals of a rhombus is 10cm and 20cm,find its area.