Answer:
circumference - diameter
circumference - 2 times radius
area - radius squared
Step-by-step explanation:
we know that
<u><em>The circumference of a circle is equal to</em></u>
or 
where
D is the diameter and r is the radius
therefore
or 
The number pi is the ratio circumference - diameter or is the ratio circumference - 2 times radius
<u><em>The area of the circle is equal to</em></u>

therefore

The number pi is the ratio Area - radius squared
Answer:
2 7/12
Step-by-step explanation:
Make 4 1/4 and 1 2/3 have a common denominator.
4 1/4 - 1 2/3 = 31/12
31/12 simplified is 2 7/12
Answer:
55% of 278 is 152.9
Step-by-step explanation:
Multiple 278 by .55
Answer: 30
Step-by-step explanation:
k=30
6x3= 18
48-18= 30
*I think this is right*