Someone please answer this, I’ll give you brainliest and 50 points!
2 answers:
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Answer: Choice D
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Explanation:
The formula for the surface area of a cylinder is
We then replace r with 10 and h with 25. Keep in mind that the diameter is 20 mm, so the radius is half that at 10 mm.
So that's how we get to
Answer:
1/3
Step-by-step explanation:
the formula of common ratio is given as
a1= 27 ,a2=9
r= 9/27
r= 1/3