B. 195
It’s B because if you divide 584 with 3 it equals 194.66 but you round up and it becomes 195.
If the diameter is 8 centimeters, the radius is 4. We can use the formula

and plug in r=4 and h=13 to get

, so

.
The answer to this question is 3,3
Answer: 69
Step-by-step explanation: a triangle adds up to 180 degrees. It is an isosceles triangle (2 sides are the same angle) 180-42=138 then do 138/2=69