Find the volume, curved surface area and the total surface area of a cylinder with diameter of base 7 cm and… · ABC26GN4753
Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:
Find the volume, curved surface area and the total surface area of a cylinder with diameter of base 7 cm and height 40 cm.
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
Volume = πr h = × × × 40 cm 3 = 1540 cm 3 . 7 2 2 22 7 Curved surface area = 2 πrh = 2 × × × 40 cm 2 = 880 cm 2 . 7 2 Total surface area = 2prh + 2pr2 = 2pr (h + r) 22 7 = 2 × × × (40 + 3.5) cm 2 = 957 cm 2 . 7 2
Explanation as extracted from the printed page; notation may be imperfect.
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