Twice a number increased by 3 is 45. What is the number?
2 answers:
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Answer:
13 ft.
Step-by-step explanation:
Lateral Surface area of a cube is the area of 4 sides, front side, back side, left side face and right side face.
It can be seen seen from the attached figure as well.
Each face in a cube is a square. And each side in the cube is equal.
So, Lateral surface area is nothing but 4 area of a square.
And we know that area of a square = .
Hence, Lateral surface area =
As per question:
= 676
Hence, side length of cube = 13 feet.
