Hannah approximates the area of circles using the equation A = 3r2 and records areas of circles with different radius lengths in a table. Answer parts a and b.
Radius (in.) 2 3 4
Area (in 2
12 27 48 75 108
5
6
a. Graph the ordered pairs from the table. Choose the correct graph below.
OA
.B
12017
12018
100
100
80
80
.
3.
Area (A)
60
Area (A)
60
.
40
40
.
20
20
.
0
2
4 6 8
10 12
6 8 8 10
10 12