Surface Area Of A Right Circular Cone

Mensuration of Class 10

CURVED SURFACE AREA OF A CONE:

Surface Area Of A Right Circular Cone

C = π r

C = curved surface area

r = radius of base of cone

l = slant height

= √h2 + r2

TOTAL SURFACE AREA OF A CONE:

T = πrl + πr2

= πr(r + l)

Here, T = total surface area

r = radius of base of cone

l = slant height of cone

VOLUME OF RIGHT CIRCULAR CONE:

V = 1/3πr2h cubic units.

Where V=  volume of cone

r = radius of base of cone

h = height of cone.

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