Question

The dimension of a cuboid are 7cm, 11cm & 13cm, The total surface area is ​

Answer 1

Answer:

Surface area = 2 lw + 2 lh + 2 hw

= 2 ( lw + lh + hw )

= 2 ( 7 × 11 + 11 × 13 + 7 × 13 )

= 2 × 311

= 622 cm sq

Explanation:

L = 7 cm

W = 11 cm

H = 13 cm

PLZ , MENTION A SMALL 2 ON THE UPPER RIGHT SIDE OF THE ANSWER TO REPRESENT SQUARE.

AND THANKS FOR YOUR 50 POINTS.

Answer 2

Answer:

Surface area:

$= 2 \: (7 \times 11 + 11 \times 13 + 7 \times 13)$

$= 2 \times 311$

$= 622 \: {cm}^{2}$

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