plz help me..
Find the side of a cube whose surface area is 2400 cm2.
Answers
Answered by
2
Answer:
total surface area of cube = 6a^2
2400 = 6a^2
a^2 = 2400/6
a^2 = 400
a = 20
Answered by
3
Answer:
side length of the cube is: 20cm
Step-by-step explanation:
let length of each side of cube is 'a'
then surface area of each face would be a²
A cube has 6 faces.
Therefore, totals surface area of cube would be
6×a²
Given, 6a² = 2400cm²
a² = 2400/6
a² = 400
a² = 20²
a = 20centimeters.
Hope this helps.
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