find the total surface area of a cylinder whose radius is 4cm and height is 28cm. please tell it's urgent.
formula is (total surface area=2πr(r+h)
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Answered by
1
Answer:
803.84 cm²
Step-by-step explanation:
Total Surface area of cylinder = 2πrh + 2πr²
r = 4cm
h = 28cm
π = 22/7 or 3.14
= 2 × π × 4 × 28 + 2 × π × 4²
= π(224 + 32)
= 3.14×256
= 803.84 cm²
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Answered by
1
803.84 cm2
r = 4cm
h = 28cm
Total Surface Area of cylinder =2πrh+ 2πr2
= 2× 3.14 ×4 ×28 + 2× 3.14 ×4× 4
= 703.36 + 100.48
= 803.84 cm2
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