Solve the examples given below. A) A cuboidal wooden box has a length of 1.2 m, breadth of 1m and height of 0.5 m. Find its total surface area. (2 Marks)​

Answer :

Answer:

4.6 m²

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Step-by-step explanation:

A cuboidal wooden box has a length (l) of 1.2 m, a breadth (b) of 1 m and a height (h) of 0.5 m. We need to find its total surface area (TSA).

Given:

  • l = 1.2 m
  • b = 1 m
  • h = 0.5 m

To Find:

  • Total Surface Area (TSA)

Formula to be used:

TSA = 2 (lb + bh + hl)

Calculations:

We know,

TSA = 2 (lb + bh + hl)

So, put the given values of l, b and h in the formula to find the TSA.

TSA = 2 (lb + bh + hl)

TSA = 2 [ (1.2 × 1) + (1 × 0.5) + (0.5 × 1.2) ]

TSA = 2 [ (1.2) + (0.5) + (0.6) ]

TSA = 2 [ 1.2 + 0.5 + 0.6 ]

TSA = 2 (1.2 + 1.1)

TSA = 2 (2.3)

TSA = 4.6

Hence, the Total Surface Area of the given cuboid is

4.6 m²

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