Hey there!
Formula for the area of a circle: 
Formula for the radius of a circle: 
First, let's divide the diameter by 2 in order to find the radius.
16/2 = 8
Next, we'll plug our values into the formula (found above).
A = pi x 8^2
A = pi x 64
A = 64pi^2 or A = 201.1cm^2
Hope this helps!! :)
Answer: the answer is 521
Step-by-step explanation: i don't know how i got it i am a human calculator :)
Answer:
3.0258
Step-by-step explanation:
50.43*6%=3.0258
Answer:
33
Step-by-step explanation:
Since the ratio is 5:3, there is a difference of 2. Divide 22 with 2 and get 11. Each ratio unit it 11. Multiply 11 with 3 to get 33 girls, and with 5 to get 55 boys
Answer:
11.4
Step-by-step explanation:
Distance=sqrt(7^2+9^2)=sqrt(130)=11.4
