Surface Area and Volume

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Slide 17

h

r

l

Finding volume of cone :-

Slide 18

SPHERE :- Surface of which every point is the same distance from a fixed point known as the centre. From every aspect it has the same appearance. A sphere may be described by the rotation of a semicircle or circle, about its diameter.

r

Slide 19

FINDING SURFACE AREA OF SPHERE :-

Slide 20

FINDING VOLUME OF SPHERE :-

Slide 21

r

Hemisphere :-

‘Hemi’ also means ‘half’. So When Sphere is Divided into two equal parts Each equal part is called Hemisphere

Slide 22

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Finding curved surface area of hemisphere

Slide 23

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TOTAL SURFACE AREA OF HEMISPHERE

Slide 24

r

Volume of hemisphere