Question

TI
TIL
302 ml
Ê
R
-A
to m
2.12 dam to m
(b) 4 mm 12 cm to cm
(d) 15 km 78 dam to km
(f) 36 hm 12 dm 4 mm to m
am 12 dm to m
to​

Answer 1

Answer:

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

Step-by-step explanation:

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