How many metres of cloth 5 m wide will be required to make a conical tent, the radius of whose base is 7m and… · ABC26GN4762
Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: M.A.T. 2006
How many metres of cloth 5 m wide will be required to make a conical tent, the radius of whose base is 7m and height is 24 m?
Answer
No answer key was printed for this question.
Explanation
Here, r = 7 m and h = 24 m. So, l = r 2 + h2 = 7 2 + (24)2 = 625 = 25 m. 22 Area of canvas = prl = × 7 × 25 m 2 = 550 m 2 . 7 Area 550 ∴ Length of canvas = = m = 110 m. Width 5
Explanation as extracted from the printed page; notation may be imperfect.