the volume of a cylinder is 150cu.cm and its height is 6 cm . find the area of its total surface area and lateral surface area.
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Answer:
csa = 3600π
tsa= 183600π
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Given:
- Volume = 150 cm³
- Height = 6 cm
To find:
➪ Total Surface Area = ?
➪ Lateral Surface Area = ?
Method:
Formula used:
Volume = r² h
⇒ 150 = r² × 6
Cancelling on both sides.
150 = r² × 6
⇒ r² = 25
⇒ r = √25
⇒ r = ± 5
Radius cannot be negative.
∴ r = 5 cm
Now let's find TSA and LSA
Total Surface Area = 2 r(r + h)
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