fatimabahgva
fatimabahgva fatimabahgva
  • 04-06-2020
  • Mathematics
contestada


The surface area of a cube is 302.46 m^2. The length of each side of the cube = ______ m.
7.1
50.4
6.7


plz help thanx

Respuesta :

jimrgrant1 jimrgrant1
  • 04-06-2020

Answer:

7.1 m

Step-by-step explanation:

A cube has 6 congruent square faces.

Given the surface area = 302.46 m² then the area of one face is

302.46 ÷ 6 = 50.41 m²

The area of a square = s² ( s is the side length ), thus

s² = 50.41 ( take the square root of both sides )

s = [tex]\sqrt{50.41}[/tex] = 7.1 m

The length of each side of the cube is 7.1 m

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