2014 · Q46
How many circular plates of diameter d can be taken out of a square plate of side 2d with minimum loss of material?
Elementary MathematicsMensuration
- A8
- B6
- C4
- D2
Explanation
A 2d x 2d square fits a 2x2 grid of diameter-d circles: 4.
How many circular plates of diameter d can be taken out of a square plate of side 2d with minimum loss of material?
Explanation
A 2d x 2d square fits a 2x2 grid of diameter-d circles: 4.