Answer:
1. 18.1
2. 63.6
Explanation:
1. π
π
π5.76
=18.09557368
=18. 1 when rounded to the nearest tenth
2. d=2r
r=4.5
π20.25
=63.61725124
=63.6 when rounded to the nearest tenth
5.3m questions
6.9m answers