the Length breadth and height of a cuboid is 15 CM 12 cm and 4.5 CM respectively find its CSA and TSA
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Answer:
TSA = 603 square centimetre
CSA = 243 square centimetre
Step-by-step explanation:
Given :-
Length = 15 cm
Breadth = 12 cm
Height = 4.5 cm
According to question:-
CSA of cuboid - 2h(l+b)
= 2 x 4.5 ( 15 + 12 )
= 9 (27)
= 243 square centimetre
TSA of cuboid = 2 (lb + bh + hl)
= 2 { ( 15 x 12 ) + ( 12 x 4.5 ) + ( 15 x 4.5 )
= 2 { (180) + (54) + (67.5) }
= 2 (301.5)
= 603 square centimetre
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