write the formula for finding total surface area and explain terms in it
Chinmaee:
of which surface area? square or rectangle or triangle or circle
of which shape
the T.S.A OF CUBE is 6a^2
thnx
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TSA of a cube is 6a^2 where 'a' is the side of the cube.
TSA of a cuboid is 2(lb+bh+hl) where 'l' is the length, 'b' is the breadth, 'h' is the height of the cuboid.
TSA of a cone is πr(l+r) where 'r' is the radius of the cone and 'l' is the slant height of the cone.
TSA of a cylinder is 4πr(h+r) where 'h' is the height and 'r' is the radius of the cylinder.
TSA of a sphere is 4πr^2 where 'r' is the radius of the sphere.
TSA of a hemisphere is 3πr^2 where 'r' is the radius of the hemisphere.
TSA of a frustum of a cone is πl(R+r)+π(R+r) where 'l' is the slant height of the frustum, 'R' is the big radius of the frustum and 'r' is the small radius of the frustum of cone.
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Answered by
4
1) TSA of cube = 6s²
Where : s is the length of the edge of the cube.
2) TSA of cuboid = 2(lb + bh + hl)
Where : l is the length, b is the breadth and h is the height of the cuboid.
3) TSA of Sphere = 4πr²
Where : r is the radius of the sphere.
4) TSA of Cylinder = 2πrh + 2πr² =2πr(r + h)
Where : r is the radius of the sphere and h is Tue height of the cylinder.
5) TSA of Cone = πrl + πr² = πr(r + l )
Where : r is the radius of the cone and l is the slant height of the cone.
Where : s is the length of the edge of the cube.
2) TSA of cuboid = 2(lb + bh + hl)
Where : l is the length, b is the breadth and h is the height of the cuboid.
3) TSA of Sphere = 4πr²
Where : r is the radius of the sphere.
4) TSA of Cylinder = 2πrh + 2πr² =2πr(r + h)
Where : r is the radius of the sphere and h is Tue height of the cylinder.
5) TSA of Cone = πrl + πr² = πr(r + l )
Where : r is the radius of the cone and l is the slant height of the cone.
nice answer
Yours too :)
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