Need more information about the question
Answer:
66 cm
Step-by-step explanation:
Let's define the circumference first.
It is the boundary of any curved geometric figure specially circle.
We are given the diameter of the circle in the diagram
The diameter is:
d = 21 cm
to find the circumference, we have to find the radius of the circle first.
As radius is half of diameter
d = r/2
= 21/2
= 10.5 cm
The formula for circumference is:

The circumference is 66 cm ..
Answer:
7.71$
Step-by-step explanation:
12 pounds = 92.52$
price/12 pounds {divided by} 12 = price/pound
92.52$ {divided by} 12 = 7.71$
Answer:
80%
Step-by-step explanation:
The fraction that he got correct is
16/20
To get a percent we need out of 100
Multiply by 5/5
16/20 *5/5 = 80/100
80%
Answer:
Point A
Step-by-step explanation: