Question

10. Which of the two has a greater surface area?
(i) A cuboidal box with sides 25 cm, 20 cm, 16 cm.
(ii) A cubical box with side 20 cm.​

Answer 1

Answer:

Cuboidal box will have greater surface area.

Step-by-step explanation:

Refer the attachment for your answer :)

Answer 2

Answer:

Formula of finding the surface area of cuboid = 2(lh+lb+bh)

(i) 2 (25 x 20 + 20 x 16 + 16 x 25)

2 ( 500 + 320 + 400 )

2 x 1220

= 2440

Formula of finding the surface area of cube = 6 L ^ 2

(ii) 6 L ^ 2

6 x 20 x 20

= 2400

Hence, the surface area of the cuboid is greater than the surface area of the cube

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