posted by .

I need to find volume of a compact disc with radius of 60mm, diameter of 120mm and height of 1.2mm Volume = (ð x r2) x H V= 3.141592 X120 X 1.2 452.16 rounded to 452 Is my answer right?

  • Math -

    Answer is 135.648 sq. cm
    ie =3.14*60*60*1.2 sq mm

  • Math -

    Check your formula it should be Rsquared not R2 (60x60) not 2X60

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. spheres

    Find the Volume of a hemisphere with a diameter of 17 cm. Use pi = 3.14 and round to the nearest hundredth. can some one show me what i'mdoing wrong?
  2. math

    a circle has a circumference of 110.6mm find diameter to the nearest tenth A.35.2mm b.36.2mm c.37.2mm d.38.2mm
  3. Chemistry

    Find the volume in liters of 0.452 M manganese(II) sulfate that contains 54.5 g of solute?
  4. Math

    A student at St. F. X. decided to become his own employer by using his car as a taxi for the summer. It costs the student $693.00 to insure his car for the 4 months of summer. He spends $452.00 per month on gas. If he lives at home …
  5. Math for Ms. Sue please! Last math questions!

    For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for pi and round to the nearest tenth. Find the surface area of a sphere with a radius of 8 cm. 267.9 cm^2 803.8 cm^2 2143.6 cm^2 201.0 cm^2 Find the …
  6. Math!! (repost) really need help!!

    A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone?
  7. math

    What is a volume of a sphere with a radius of 6 meters rounded to the nearest square meter?
  8. Algebra

    The volume of a right circular cylinder (think of a pop can) is jointly proportional to the square of the radius of the circular base and to the height. For example, when the height is 10.62 cm and the radius is 3 cm, then the volume …
  9. math

    A flying disc has a radius of 6 inches. What is the area of one side of the flying disc to the nearest square inch?
  10. MATH


More Similar Questions