Question

Cylinder of radius 6 cm and height 8 cm with the clay, then molds the cylinder into a sphere.
1. The radius of the sphere so formed is ______
(a) 6 cm
(b) 7 cm
(c) 4 cm
(d) 8 cm
2. What is the ratio of volume of sphere to the volume of a cylinder?
(a) 1 : 1
(b) 1 : 2
(c) 2 : 1
(d) 3 : 1
3. The total surface area of cylinder is
(a) 525.57 cm2
(b) 557.55 cm2
(c) 534.32 cm2
(d) 527.52 cm2
4. During the conversion of a solid from one shape to another the volume of the new shape
will _____
(a) increase
(b) decrease
(c) remain unaltered
(d) be double

Please answer correctly

Answer 1

Answer:

1) b

2) c

3) b

4) c

Step-by-step explanation:

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