Answer:
28.27
Step-by-step explanation:
A=(1/4) πd^2
the 2 angles are congruent so...
x+40=3x set the 2 equations equal to each other
40=2x subtract x from both sides
20=x divide by 2
x=20 is the final answer
Have a blessed day!
20/10=2.
14/7=2.
2 dollars per pound.