Circumference
C = pi d
C = 3.14 x 10
C = 31.4 cm
Area
A = pi r^2
A = 3.14 x 5^2
A = 78.5 cm^2
Answer:
33:3 22:2 44:4 55:5 66:6
Step-by-step explanation:
what are your options? comment them if I didn't include them
17c because you have to pair the terms
Solution
For this case we can do the following:


And then if we multiply we got:
Answer:
A.81/4
Step-by-step explanation:
x^2-9x
This is in the form x^2 + bx
To complete the square, we take b/2 then square it and add it
b =-9
b/2 = -9/2
(b/2) ^2 = (-9/2) ^2 = 81/4