Question

The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth.

15.7 square feet
19.6 square feet
42.8 square feet
78.6 square feet

Answer 1

@katherinkoon

Answer 2

use the formula for the area of a circle
= 3.14 * r^2 where r = the radius

Answer 3

note radius = half of the diameter

Answer 4

im not good i dont know it thats why im here for people to help me not explan it

Answer 5

diameter = 5, so radius = 1/2 * 5 feet
ok?

Answer 6

1/2 * 5 = 2.5 feet

Answer 7

understood so far?

Answer 8

jus
t
tell me the answer i am in a hurry

Answer 9

plz and thx u

Answer 10

the answer is 3.14 * 2.5^2

Answer 11

what

Answer 12

grab ur calculator and plug these values in

Answer 13

3.14 * 2.5 * 2.5 = answer

Answer 14

19.625

Answer 15

yes
19.6 to nearest 1/10