Answer:
x-y=4
Step-by-step explanation:
(y+4)/(1+4) = x/5
(y+4)/5 = x/5
y+4 = x
-x+y= -4
x-y = 4
x=-1
A≈78.54cm² Diamter= 10
hope this helps
The answer is 4 x p.
Hope this helps! :)
23,4