A conical tent of height 10m and base diameter 48m was erected by a company in a park. Find the curved surface area of the tent (in m2).
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 624π.
The curved surface area of the cone = πrl
here, r = radius, and l = slant height
Diameter = 48
Radius = 48/2 = 24 m
Height = 10
⇒ l2 = r2 + h2
⇒ l2 = 242 + 102
⇒ l2 = 576 + 100
⇒ l2 = 676 = 26 m
C.S.A = 24 × 26π = 624π