✔️state the formula to find,
.csa, tsa and volume of frustum of a cone✔️
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✔️state the formula to find,
.csa, tsa and volume of frustum of a cone✔️
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ANSWER
1)Cone
-It is a 3 - dimensional geometric figure that is sharp at one end and flat on another end.
-CSA (Curved Surface Area)
=> × r × l
Where,
r= Radius
l= slant height
-TSA (Total surface area)
=> × r × l +
=> × r [r+l]
-Volume
=>1/3 ×××h.
2)Frustum of a cone
-CSA
=>×l[R+r]
-TSA
=>(r^2 + R^2)+×l[R +r]
=>[r^2 + R^2 + l{R +r}]
-Volume
=>[R^2 + r^2 +Rr]
-Slant height
=>l =
Here =>
R=base radius
r= top Radius.
l=slant height