Maths / Surface Area and Volume / Total surface area of a cubiod

QUESTION
 

A cuboidal box is 5 cm by 5 cm by 4 cm. Find its surface area.

OPTIONS
A. 

135 cm^2

B. 

65 cm^2

C. 

120 cm^2

D. 

130 cm^2

Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

Surface Area of a Cuboid = ?

Length = 5 cm,

Breadth = 5 cm

Height = 4 cm

Surface area of cuboid = 2(lb+bh+lh)

                                      = 2 ( 5 X 5 + 5 X 4 + 4 X 5)

                                      = 2 ( 25 + 20 + 20)

                                      = 2 ( 65)

                                      = 130 cm^2

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