Answer:arc lengths; radius
l guzz.. sry if wrong....
Answer:
21 With glasses
Step-by-step explanation:
32/20=1.6
1.6•7=11.2 Without Glasses
1.6•13=20.8 With Glasses
20.8 rounded to nearest whole number=21
3cm = 28.26
11cm = 379.94
3 x 3 x 3.14 = 28.26
11 x 11 x 3.14 = 379.94
hope this helps
five squared