Which cylinder has a volume of 45 pi centimeters cubed? A cylinder with radius 2 centimeters and height 4 centimeters. A cylinder with radius 5 centimeters and height 9 centimeters. A cylinder with radius 3 centimeters and height 5 centimeters.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

1. perpendicular

2. parallel

3. perpendicular