1. CIRCLES: The collection of all points equidistant from a fixed point called the center.
Circumference is like
Formulas:
OR the fraction
1. Find the circumference 2. Find the area of the circle. 3. Find the circumference
of the circle. of the circle
Tweedle Dum and Tweedle Dee
‘Round the circle’s _______________.
If the area is declared,
Then the formula’s _______________.

2. 5. A semicircle is half of a circle.
Sometimes directions will have you leave your answer in terms of pi (which means you leave in your answer).
Sometimes they want you to use the fact that and write your answer rounded to a specific decimal place.
4. The circumference of a circle is Find the area of the shaded region.
What is the area?
5. A semicircle is half of a circle.
Find the area of a semicircle with
a diameter of 14ft.