SOLUTION: the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde

Question 92381: the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the total area of six faces of a cube is 240 cm^2 how long to the nearest 10th is one egde
--------
The area of one face must be 240/6 = 40 cm^2
-----------
Since each face is a square and since the area of a square is (side)^2
you get:
EQUATION:
(side)^2 = 40
side = 2sqrt10 cm
======================
Cheers,
Stan H.

RELATED QUESTIONS
The edge of a cube. is 80cm long .How its volume and surface area i change if the egde is (answered by JulietG)

A cube has a surface area of 240 cm^2 . What is the length of one... (answered by mananth)

What is 4.1cm to the nearest 10th of a... (answered by Alan3354)

a cube is a three - dimensional solid with six sqaure faces. Find the total surfaces area (answered by Boreal)

A cube is a solid figure with six faces. Each face is a square. The surface area of a... (answered by richwmiller)

HI PLEASE HELP A right prism has a base in the shape of a right isosceles triangle... (answered by ramkikk66)

The lateral edges of a regular hexagonal pyramid are all 20 cm long, and the base... (answered by greenestamps)

A 4x4x4 cube is ruled on all six of its faces with 16 congruent squares. How many paths... (answered by greenestamps)