Question

The dimensions of a cuboid are as follows: length=4.8cm, breadth=3.4cm,
height =7.2cm. Find the total surface area of the cuboid.

Answer 1

Answer:

formula

2(lb + bh + hl )

2 ( 4.8 × 3.4 + 3.4 × 7.2 + 7.2 × 4.8 )

2 ( 16.32 + 24.48 + 34.56 )

2 ( 75.36 )

150.72 cm²

Answer 2

Step-by-step explanation:

Solution:

Area of Face 1: 4.8 × 7.2 = 34.56 cm²

Area of Face 2: 3.4 × 7.2 = 24.48 cm²

Area of Face 3: 4.8 × 3.4 = 16.32 cm²

Adding the area of these 3 faces gives 75.36 cm², since each face is duplicated on the opposite side, the total surface area of the cuboid will be:

TSA = 2 (75.36) = 150.72 cm²