If area of circle is 154 sq.cm then find its perimeter
Answers
Answered by
11
Area of circle = πr²
154 = 22÷7 r²
154×7÷ 22 = r²
r²= 49 cm
r = 7 cm.
Now Perimeter of circle = 2πr
=2×22÷7×7
= 44 cm.
Hope it cleared ur doubt.
154 = 22÷7 r²
154×7÷ 22 = r²
r²= 49 cm
r = 7 cm.
Now Perimeter of circle = 2πr
=2×22÷7×7
= 44 cm.
Hope it cleared ur doubt.
Similar questions