Use what you know about the area and circumference of circles to answer the questions below. Show all work. Leave answers in terms of
. Homework Help ✎
If the radius of a circle is 14 units, what is its circumference? What is its area?
If a circle has diameter 10 units, what is its circumference? What is its area?
If a circle has circumference 100
units, what is its diameter? What is its radius?
Remember that the area of a circle is πr², while the circumference of a circle is 2πr.
Area = 196π
Circumference = 28π