Q.1. If each side of a cube is a, then its lateral surface area is _______ sq units. Q.2. The surface area of a cube is 384 cm2. Its volume is _________ .
Q.3. The area of the base of a circular cylinder is 35 cm2 and its height is 8cm. The volume of the cylinder is _________ cm3.
Q.4. A cuboid having dimensions 16m X 11m X 8m is melted to form a cylinder of radius 4m. What is the height of the cylinder?
Q.5. 1m3 = ___________ litres Q.6. 1 litre = _________ cm3
Q.7. A road roller, a gas cylinder, a circular storage tank, a circular pillar, a circular pipe are examples of ____________ .
Q.8. If the volume of the cube is 729 cm3, its surface area will be ______ cm2. Q.9. The space occupied by a solid body is called ____________.
Q.10. If l, b, h be the length, breadth and height of a cuboid, then its total surface area is ____________ sq units.
Answers
★ Answer ★
Q.1. If each side of a cube is a, then its lateral surface area is ____4(a)²___ sq units.
Q.2. The surface area of a cube is 384 cm2. Its volume is __512 cm³_.
Q.3. The area of the base of a circular cylinder is 35 cm2 and its height is 8cm. The volume of the cylinder is __88.86 __ cm3.
Q.4. A cuboid having dimensions 16m X 11m X 8m is melted to form a cylinder of radius 4m. What is the height of the cylinder?
Ans - Height → 28 m
Q.5. 1m3 = __1000__ litres
Q.6. 1 litre = __1000__ cm³
Q.7. A road roller, a gas cylinder, a circular storage tank, a circular pillar, a circular pipe are examples of ___Cylinder____ .
Q.8. If the volume of the cube is 729 cm3, its surface area will be __486__ cm2.
Q.9. The space occupied by a solid body is called ___Volume___.
Q.10. If l, b, h be the length, breadth and height of a cuboid, then its total surface area is ____2( lb + BH + HL )____ sq units.
Note :- For further clarification , refer to the attachment.
1 . If each side of a cube is a, then its lateral surface area is 4(a)² sq units
Answer - 4(a)²
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2 . The surface area of a cube is 384 cm2. Its volume is 512 cm³
Answer - 512 cm³
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3 . The area of the base of a circular cylinder is 35 cm2 and its height is 8cm. The volume of the cylinder is 88.86 cm³
Answer - 88.86 cm³
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4 . A cuboid having dimensions 16m X 11m X 8m is melted to form a cylinder of radius 4m. What is the height of the cylinder?
Answer -
The Height of cylinder is 28 cm
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5 . 1m3 = 1000 litres..
Answer - 1000 litres
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6 . 1 litre = 1000 cm³
Answer - 1000 cm³
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7 . A road roller, a gas cylinder, a circular storage tank, a circular pillar, a circular pipe are examples of Cylinder.
Answer - Cylinder.
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8 . If the volume of the cube is 729 cm3, its surface area will be 486 cm²
Answer - 486 cm²
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9 . The space occupied by a solid body is called Volume
Answer - Volume
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10 . If l, b, h be the length, breadth and height of a cuboid, then its total surface area is
2( lb + bh + hl ) sq units.
Answer - 2( lb + bh + hl )
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