Answer:
40.56
Step-by-step explanation:
you need the circumference of the cirle aka perimeter of circle so 8(pi) and then because its only half, divided by 2... 12.56
now you hgave circumference so add 12.56 to 28 and there you go. you can round how ever necessary
Answer:
5.83
Step-by-step explanation:
Use the Pythagorean theorem:
3^2+5^2 = c^2
34 = c^2
sqrt34 = c
5.83 = c
Answer:
option 5
Step-by-step explanation:
we have diameter=75 feet
we need to find the radius
radius=diameter/2
so we write
radius=75 feet/2
finally
we have
radius=37.5 feet
