All 3 equations the Answer is v= 13/2
Answer:
Radius = 6.5cm
Diameter = 13cm
Step-by-step explanation:
The diameter is the length of one side of a circle to the other. It's already given in the diagram as 13cm.
The radius is half of the diameter. 13 divided by 2 is 6.5cm.
128pi in. cubed.
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Notice the picture below
what we have, is really an angle, encroached by two sides
thus, use the Law of Cosines