The diameter of the base of cone is 10 cm and its slant height is 17 cm. Then the curved surface area of the cone is ...... cm².select a proper option (a), (b), (c) or (d) from given options so that the statement becomes correct.
(a) 85????
(b) 170????
(c) 95????
(d) 88????
Answers
Answered by
1
CSA of Cone = π r l
= 5*17
= 85 sq. cm
= 5*17
= 85 sq. cm
Answered by
0
Option ( a ) is correct.
Explanation :
Dimensions of the cone :
Diameter of the base ( d ) = 10cm
Radius ( r ) = d/2 = 10/2 = 5cm
Slant height ( l ) = 17 cm
Curved surface area = πrl
A = π × 5 × 17
A = 85π
•••••
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