Answer:
A.
Step-by-step explanation:
Volume of cylinder = pi r^2 h
= 3.14 x 3^2 x 2
= 3.14 x 9 x 2
= 28.26 x 2
= 56.52 units^3
If your wondering how much each pair costs individually then its 7.89 per pair
Answer: 80
Step-by-step explanation:
Sin x = cos (90-x)
Like sin 30 = cos (90-30) =cos 60
So
90-x=90-80
Then
X=80
Verify your solution by finding the sum of the angles of sin and cos, it will be 90
