Question

A closed box in the shape of a cube has a total outer surface area of 150 cm Sq . What is the length of its side in cm

Answer 1

Answer:

TOTAL SURFACE AREA = 6 a sq

a.t.q

T.S.A=150 cm sq

6 a sq = 150 cm sq

a sq = 150/6 cm sq = 25 cm sq

therefore, a = 5 cm

so , length of its one side = 5 cm