The radius and height of a solid cylinder are 4 cm and 10 cm respectively. Find its total surface area
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Answer:
352
Explanation:
r = 4
h = 10
total surface area formula :
2× pi × radius × height + 2 × pi × (raidus)²
=> 2 × 22/7 × 4 × 10 + 2 × 22/7 × (4×4)
=> 44 × 40 ÷ 7 + 44 × 16 ÷ 7
=> 1760 ÷ 7 + 704 ÷ 7
* LCM
=> 2464 ÷ 7 = 352 (ans)
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