A wire when bent in the form of square enclosed an area 121 cm square find area enclosed by circle (take 22\7)
Answers
Answered by
2
Area of a square =(side)^2 = 121 cm^{2}
SIDE = 11 cm
Perimeter of a square =4(side) =4(11)=44 cm
Perimeter of circle = length of wire
length of wire = 44cm
length of wire = circumference of the circle
2 π r = 44 cm
r = 22 *7/22cm = 7cm
area of circle = π r ^2 =22/7 *7*7
= 154 cm^2
Similar questions