10.2 Notes Area of Circles Day 2 1. Use the circle below to 2. Use the circle below to 3. Use the circle below to describe circumference describe area. draw a radius & diameter.

Circle Formulas

Diameter __________________ Radius ___________________

Circumference __________________ Area ___________________ Find each measurement in terms of π (exact). 4. Find the area of a pizza with 5. Find the radius of a circular 6. An indoor swimming a diameter of 6 inches. table that has a circumference pool has an area of 100 π of 20 π inches. Find the diameter.

7. Find the radius of J if the circumference 8. Find the circumference of M if the area

is (65x + 14) π meters. is 25x2 π square feet.

Circle Practice! Find each measurement in terms of . 1. Find the Circumference of a circle with an 2. Find the Area of a circle with C=40 . Area of 64 .

3. Find the area of a circle with a diameter of 16. 4. Find the radius if the circumference is (46x - 30) π.

5. Find the circumference of a circle if the area 6. Find the area and circumference of K.

is 16x2 π square feet.

7. Genevieve’s has a pool that is 30 ft in diameter.

a. How large of a cover do they need for their pool?

b. Genevieve’s dog, Eddie, is crazy. He loves to chase squirrels around the pool. How far has

Eddie run if he chases a squirrel around the pool three times?

K

16