Answer:
A≈153.94
Step-by-step explanation:
A=πr2
d=2r
A=1
/4 x π x d^2
=1
/4 x π x 142 ≈ 153.93804
One half belongs to the rational number which are number that can be experssed as the simplest fraction

where a,b are integers
Solve equations ,4 ≤ -4x+28, x>= -6
Do you have the answer please help<span />