Question

EXERCISES
() thermosetting plastic
(d)
member of glucose make up the polymer
o cellulare
(d) ravon
(c) polyester and cotton
(d) terylene and cotton
() polvester and nylon
Shenic Shees causes poblation because they are
(1) dry quickly
(c) catch fire easily
(a) all of these
pol
(b) surgical dressing
(a) powool
SYNTHETIC ESRES AND PLASTICS A39​

Answer 1

Answer:

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Conceptual understanding / Model Problem / Model Example /

Activities

l Circle : A circle is a closed plane figure whose every point lies at an equal

distance (radius) from a fixed point (center).

l A rubber ball, Globe, tennis ball, shotput are all examples of solids circular in

shape, called spheres.

l Sphere : A sphere is a three dimensional figure, which is made up of all points

in the space, which is at a constant distance from a fixed point. This fixed point

is called centre.

Instructions :

1. Refer page 235 and 237 for understanding the surface area of sphere and

volume of the sphere.

2. Surface area of sphere = 4Sr

2

, Where r is the radius of sphere

Volume of sphere = xSr

3

, Where r is the radius of sphere

Explanation:

1. thanks my answer....