197k views
4 votes
Net for a cube has a total surface area of 150 in.2. what is the length of one side of a square face

User Mahalia
by
7.1k points

2 Answers

5 votes

Answer:

5 in

Explanation:

User Krozark
by
7.2k points
5 votes
Surface area of a cube is given by
SA=6a²
but
SA=150 in²
thus
150=6a²
solving for a we obtain:
150/6=a²
a²=25
thus
a=√25
a=5 inches
hence the side length is 5inches
User Spina
by
6.9k points