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Find the laternal surface area and the total surface area of a cube of edge 20cm​

Answer»

\huge \bf \underline{ \underline{Question}}

FIND the laternal surface area and the total surface area of a cube of edge 20cm

\huge \bf \underline{ \underline{Answer}}

Given:-

  • Cube of edge 20cm

To Find:-

  1. LATERAL surface area
  2. Total surface area

CALCULATIONS:-

1) Lateral surface area of a cube,

= 4 × (SIDE)²

= 4 × (20cm)²

= 4 × 400cm²

= 1600cm²

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2) Total surface area of cube,

= 6 × (side)²

= 6 × (20cm)²

= 6 × 400cm²

= 2400cm²

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