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Volume = area of base x height
21 = 7 x h
So h = 3 cm
Total S.A is now easy to calculate
Two opposite sides of each
S.A = 2×7 + 2(7×3) + 2( 1×3)
S.A = 14 + 42 + 6 = 62 cm^2
Volume = area of base x height
21 = 7 x h
So h = 3 cm
Total S.A is now easy to calculate
Two opposite sides of each
S.A = 2×7 + 2(7×3) + 2( 1×3)
S.A = 14 + 42 + 6 = 62 cm^2