Hello!
The formula for area of a circle is


is 3.14 (which is 22/7), and r stand for the radius, which is half of the diameter. If the diameter is 28 cm, the radius is 14 cm.


616
Answer:
Approximately 616 cm

.
Hope this helps!
Answer:
3 Dollars
Step-by-step explanation:
18/6 = 3
Answer:
= 52
Step-by-step explanation:
2 ( 14 and 1/2) + 2 (11 and 1/2) =
2 ( 29/2 ) + 2 ( 23/2) =
29+ 23 = 52
Answer:
48-6n-8
40-6n
Step-by-step explanation:
D) $1,440
___________________
•Month to Annual means 1 to 12
•So 40 per month means 480 (40 x 12)
•Multiple that by each user.
•480 x 3 = 1440