Question

what is the length of a cuboid having breadth and height equal to 4cm and 6cm respectively,and the total surface area of 148cm²​

Answer 1

Answer:

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Explanation:

To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Answer 2

Here, length & breadth has been given.

As we know formula:-

cuboid = 2(lb + bh + hl) }}}}TSAofcuboid=2(lb+bh+hl)

Putting values:-

⇒ 148 = 2 [(4 × 6) + (6 × h) + (h × 4)]

⇒ 148 = 2[24 + 6h + 4h]

⇒ 24 + 10h = 148/2

⇒ 24 + 10h = 74

⇒ 10h = 74 - 24

⇒ 10h = 50

⇒ h = 50/10

⇒ h = 5

So, height of cuboid = 5 cm.

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