Question

Q-
2. 2 Find the total surface area of a square
having length
height
(3 marks
= 12 cm
breadth
= locm,
5 cm​

Answer 1

Answer:

Given that l=20cm, b=12cm, h=9cm

∴T.S.A=2(lb+bh+lh)

                          =2[(20×12)+(12×9)+(20×9)]

                           =2(240+108+180)

                           =2×528

        ∴T.S.A=1056cm  

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