Multiple choice

If the volume and surface area are numerically equal then it's radius is

  1. 2 units

  2. 3units

  3. 4units

  4. 5units

Reveal answer Fill a bubble to check yourself
B Correct answer
AI explanation

The context implies a sphere where volume is (4/3) pi r cubed and surface area is 4 pi r squared. Equating the two formulas gives (4/3) pi r cubed = 4 pi r squared. Solving this equation by dividing both sides by 4 pi r squared yields a radius of 3 units.