Question

CASE STUDY 1

To make the teaching learning process easier, creative and innovative, a teacher brings clay in the classroom to teach the topic Mensuration. She thought this method of teaching is more interesting leaving a long lasting impact. She forms a cylinder of radius 6 cm and height 8 cm with the clay, then she moulds the cylinder into a sphere and asks some questions

to students (use n = 3.14)

Find the radius of sphere

(a) 6cm

(b) 7em

(c) 4cm

The volume of the sphere so formed is

(d) Scm.

(a) 902.32 cm (b) 899.34 cm (c) 904.32 cm (d) 999.33 cm

17.(1)

17.(2)

17.(3) What is the ratio of the volume of a sphere to the volume of a cylinder?

(a) 1:2

(b) 2:1

(c) 1:1 (d) 3:1.

The total surface area of a cylinder is

(a) 525.57 cm (6) 557.55 cm (c) 534.32 cm

(d) 527.52 cm

During the conversion of a solid from one shape to another the volume of the new shape will

(a) Increase (6) Decrease (c) Remains onaltered (d) be double​

Answer 1

Answer:

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