Question

find the area of each circle . In question 1 take π=31/7 or 22/7 and in question 2 , take π= 3.14
(iii) diameter = 30 km
please send me the answer fast ​

Answer 1

Answer:

Step-by-step explanation:

π = 22/7

raidus = r cm

(1) circumference of circle = 2πr

= 2 * 22/7 * r

= 44/7r

similarly in (2) the circumference of circle is 6.28r cm

or in (3) is 6.284r cm