4. Find the total surface area of a cube whose side is 15mm long.
5. An oil tin is 25cm long, 20cm broad and 45 cm high. Find the area of tin
sheet required for making 7 such tins.
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Answer:
4. Given,
a = 15 cm
Total surface area of Cube
6a² = 6 × 15² = 6 × 225
TSA of cube = 1350 cm²
Volume of cube = a³
15³
Volume of cube = 3375 cm³
5.
Answered by
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Answer:
Side of cube =15mm
therefore, surface area of cube = 6a²
=6 * (15)²
=6 * 225 = 1350mm²
Hope it will help you
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