Answer:
Diameter = 2
Step-by-step explanation:
The radius will always be half of the diameter in a circle. It gives you the information that the radius is 1 unit, so you can use the formula:
d = 2r
d = 2(1)
d = 2
Though in this case, it's not really necessary since you're just adding 1.
14
Volume = Base area x height / 3
Height is 7cm
Base area = x 3 x 4 = 6
Volume = 6 x 7 / 3 = 14
B