Three thousand eight hundred forty-three ten-thousandths

Can (3,5 and square root 34) be sides on a right triangle?

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

Find cot x if sin x cot x csc x = √2