Answer:
20%
Step-by-step explanation:
½pi or 0.5pi units²
Area : angle
9pi : 2pi
x : pi/9
9pi/2pi = x/(pi/9)
4.5 × pi/9 = x
x = ½pi or 0.5pi units²
______________________
Answer is C not A
36.3 m
because a decagon has 10 sides so 363 divided by 10=36.3
$17.21
Just line up the decimals and then you add. But after you finished adding, make sure you just straight up bring the decimal down to your final answer to the question.
