Circumferences and Areas of Circles

1
Circumferences and Areas of Circles
COURSE 2 LESSON 8-4
Find the area of the circle to the nearest unit.
The area of the circle is about 227 m2.
8-4
2
Circumferences and Areas of Circles
COURSE 2 LESSON 8-4
A pizza has a diameter of 28 cm. What is the
area of the pizza? Round to the nearest tenth.
The area of the pizza is approximately 615.8 cm2.
8-4
3
Circumferences and Areas of Circles
COURSE 2 LESSON 8-4
Use 3.14 for . Find the area and the
circumference of each circle to the nearest
tenth. 1. r 10 m 2. d 14 ft
A 153.9 ft2 C 44.0 ft
A 314 m2 C 62.8 m
8-4