Post a New Question

Geometry

posted by .

I need help on a problem that's on formula for circumference. A circle has a circumference of 36 cm. find it's radius .but it says give an exact answer in simplest form and it says enter pi for the symbol of pie .

  • Geometry -

    C = pi * r^2

    36 = 3.14 * r^2

    36/3.14 = r^2

    11.464968 = r^2

    3.3859958 = r

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question