Answer:
Archimedes was the first to derive this formula.
Step-by-step explanation:
The formula for circumference of a circle
=
2
π
r
The radius
=
3
c
m
(assuming units to be in cm)
2
π
r
=
2
×
22
7
×
3
=
132
7
=
18.86
c
m
Answer:
120 times
Step-by-step explanation:
If we want to find a qunatity is how many times as other quantity, we have to divide the large one by the small one (remember, same units).
Let's make both into inches.
We have 1 inch [model]
also
10 feet * 12 = 120 inches
Thus, we can say:
120/1 = 120 times
So, Actual Plane is 120 times than model airplane
Answer:
9.72°F
Step-by-step explanation:
I think that's right :)
