Find the circumference of the circle with the following radius: (Take π=227)
14 cm
Given: Radius of a circle =14 cm Circumference of the circle =2πr =2×227×14=2×22×2=88 cm
Therefore, circumference of the circle is 88 cm.
Question 1 (c)
Find the circumference of the circle with the following radius: (Take π = 227) 21 cm
Question 3 If the circumference of a circular sheet is 154 m, find its radius. Also, find the area of the sheet. (Take π=227)
Question 2 (b)
Find the area of the following circle, given that: (Take π=227) diameter = 49 m