Question

Total surface area of a cuboidal box is 47.5 cm.If it's length is 5 cm and height is 1.5 cm,find its breadth.

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

b = 2.5cm

Step-by-step explanation:

l = 5cm

h = 1.5cm

b = ?

TSA of a cuboid = 2 ( lb + bh + lh )

47.5 = 2 ( 5b + 1.5b + 7.5 )

47.5 = 10b + 3b + 15

13b = 47.5 - 15

13b = 32.5

b = 32.5/13

.°. b = 2.5cm

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