What is the solution i don't get it plz

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm