The area of a circle is 154cm find it's radius ,
Answers
Answered by
1
Answer:
area πr^2 = 154
r^2 = 154 x 7/22
r = 14 x 7/2
r^2 = 7 x 7
r = 7
Answered by
2
Answer:
circle area = πr^2
22/7 *r*r=154
r*r=154*7\22
r*r=49
r=√49
r=7cm
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