Answer:
B. Technological advancement in new discoveries in health care
<em>Hope</em><em> this</em><em> helps</em><em> </em><em>:</em><em>)</em>
B
Step-by-step explanation:
ed2020
I think d no p=4 and q=5
this might help you
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