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If the radius of a sphere is 3 cm, what is its volume? (2022)

Practice Questions

Q1
If the radius of a sphere is 3 cm, what is its volume? (2022)
  1. 36π cm³
  2. 27π cm³
  3. 9π cm³
  4. 18π cm³

Questions & Step-by-Step Solutions

If the radius of a sphere is 3 cm, what is its volume? (2022)
  • Step 1: Identify the formula for the volume of a sphere, which is Volume = (4/3) * π * (radius)³.
  • Step 2: Substitute the radius value into the formula. Here, the radius is 3 cm.
  • Step 3: Calculate (3)³, which means 3 multiplied by itself three times: 3 * 3 * 3 = 27.
  • Step 4: Now substitute this value back into the formula: Volume = (4/3) * π * 27.
  • Step 5: Multiply (4/3) by 27. First, calculate 4 * 27 = 108, then divide by 3: 108 / 3 = 36.
  • Step 6: So, the volume is 36π cm³.
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