A=2piR
so 144pi=2piR
solve and you get R=72
so D= 144 ft
Answer:
x=9
Step-by-step explanation:
x-9=0
add nine to both sides (-9+9) and (0+9)
x=9
Answer:
112degrees
Step-by-step explanation:
Alternate angles form a 'Z' shape and are sometimes called 'Z angles'. a and b are adjacent angles. Adjacent angles add up to 180 degrees. ... These add up to 180 degrees (e and c are also interior).
