How to find surface area of a rectangular prism?
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heya!
here's ur answer frnd...
rectangular prism means it's a cuboid, many believe that prism is only of one shape but prism is a polyhedron whose top and base have same shape and area and whose side edges are parallel, therefore cuboid is also a prism.
surface area means TSA and TSA of cuboid is
=2(lb+bh+lh)
let me give u an example.
the length, breadth and height of the cuboid be 5cm, 4cm and 4.5cm respectively.
TSA of the cuboid=2(lb+bh+lh)
=2{(5×4)+(4×4.5)+(5 ×4.5)}
=2(20+18+22.5)
=2×60.5
=121cm²
hence, the surface area (TSA) of the this cuboid is 122cm².
now u know the formula of TSA of cuboid and hope u understood how to solve.
here's ur answer frnd...
rectangular prism means it's a cuboid, many believe that prism is only of one shape but prism is a polyhedron whose top and base have same shape and area and whose side edges are parallel, therefore cuboid is also a prism.
surface area means TSA and TSA of cuboid is
=2(lb+bh+lh)
let me give u an example.
the length, breadth and height of the cuboid be 5cm, 4cm and 4.5cm respectively.
TSA of the cuboid=2(lb+bh+lh)
=2{(5×4)+(4×4.5)+(5 ×4.5)}
=2(20+18+22.5)
=2×60.5
=121cm²
hence, the surface area (TSA) of the this cuboid is 122cm².
now u know the formula of TSA of cuboid and hope u understood how to solve.
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