Find the length of longest chord of circle if the circle has 154 sq.cm
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Area of Circle=154 sq.cm
pi*r^2=154
22/7*r^2=154
r=sqrt(7/22*154)
r=sqrt(7*7)
r=7cm.
Diameter is the longest chord and is double the radius=2*7
=14 cm. ANS
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Ans: Diameter is the longest chord and is double the radius. So r= 14cm
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