Question
A cube has a surface area of 100 square inches. Which choice is closest to the length of an edge of the cube? CLEAR CHECK 1.7 1 . 7 inches 3.3 3 . 3 inches 4.1 4 . 1 inches 10 10 inches
Answer
3.3 inches
- Q: What's the formula for surface area of a cube? A: The formula for surface area of a cube is 6a^2, where a is the length of one edge.
- Q: What's the value of surface area of the cube? A: The surface area is 100 square inches.
- Q: What's the formula for length of one edge? A: The formula for length of one edge of the cube is sqrt(surface area/6).
- Q: What's the value of length of one edge? A: The value of length of one edge is approximately 3.3 inches.