Question

A cube has a total surface area of 42 square metre what is the area of one face

Answer 1

42:6= 7

So the answer is 7

Answer 2

Answer:

Step-by-step explanation:

TSA OF CUBE = 6a²

42 = 6a²

a = √7

now,

area of one face of cube i.e, square = a²

                                                            = (√7)²

                                                           ⇒ 7cm²