Answer:
80% 0.8
Step-by-step explanation:
To find the percentage out of a fraction you would divide 4÷5 to get 0.8, the decimal answer, then to turn that to a percent you would move the point two places to the right to get 80%.
30m
A=πr²
225π=πr²
225=r²
r=√225
r=15
d=2r
d=2×15
=30m
The answer is q12
Answer: 0.73