Q4 of 18 Page 104

Find the area of the circle if its circumference is 88 cm.

we know that,

The Circumference of a circle = 2πr


Given circumference = 88cm


⇒2πr = 88


r = 14cm


Now, area of circle = πr2


= π(14)2


= 615.75 sq cm


More from this chapter

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1

Find the areas of given plots. (All measures are in meters.)

(1)


(2)


 1

Radii of the circles are given below, find their areas.

(1) 28 cm


(2) 10.5 cm


(3) 17.5 cm


 2

Areas of some circles are given below find their diameters.

(1) 176 sq cm


(2) 394.24 sq cm


(3) 12474 sq cm


 3

The diameter of the circular garden is 42 m. There is a 3.5 m wide road around the garden. Find the area of the road.