Advertisements
Advertisements
प्रश्न
Find the area and perimeter of the circles with following: Radius = 10.5cm
बेरीज
Advertisements
उत्तर
The Area of a Circle with radius r = πr2
∴ The Area of a Circle with radius 10.5cm
= π(10.5)2
= `(22)/(7)(10.5)^2`
= 346.5cm2
The Circumference of a Circle with radius r = 2πr
The Circumference of a Circle with radius 10.5
= 2π(10.5)
= `2 xx (22)/(7)(10.5)`
= 66cm.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
