Question

find the total surface area and curved surface area of cuboid whose dimensions are 4cm,6cm,7cm

Answer 1

Given :-

• Dimensions of cuboid are 4cm,6cm,7cm .

To Find :-

• Total surface area of cuboid .
• Curved surface area of cuboid .

Solution :-

we know that,

• TSA of cuboid = 2(lb + bh + hl)
• CSA of cuboid = 2(l + b) * h

Putting all values we get,

→ TSA = 2(4*6 + 6*7 + 7*4)

→ TSA = 2(24 + 42 + 28)

→ TSA = 2 * 94

→ TSA = 188 cm² . (Ans.)

and,

→ CSA = 2(l + b) * h

since it is not given that, which one is height .

• CSA , if height = 4 => 2(6 + 7)*4 = 8 * 13 = 104 cm².
• CSA , if height = 6 => 2(4 + 7)*6 = 12 * 11 = 132 cm².
• CSA , if height = 7 => 2(6 + 4)*7 = 14 * 10 = 140 cm².

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Answer 2

Answer:

Step-by-step explanation: