Answer:
About 660.5
Step-by-step explanation:
where r is the radius
and you get about 660.5 or an exact answer of (841/4)
30
45% = 0.45
45%
=
= 0.45
Answer: 3,200in^2
Step-by-step explanation: multiply 80 and 40
Holocene
The Holocene began 11,700 years ago after the last major ice age.
