the curved surface area of a cone is 4070 cm square and it's diameter is 7cm. what is its slant height?
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r=d/2=7/2cm
pie×r×l =curved surface area
22/7×7/2×l=4070
11 l=4070
l=4070/11
l=370cm
pie×r×l =curved surface area
22/7×7/2×l=4070
11 l=4070
l=4070/11
l=370cm
veeraganesh131:
thanks
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