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marusya05 [52]
3 years ago
11

I’m so confused on how to do it

Mathematics
1 answer:
Monica [59]3 years ago
8 0

Answer:

785.4

Step-by-step explanation:

The formula to find the surface area of a cylinder is

2* pi* radius* height + 2* pi* 2radius.

2( 3.14) (5) (20)= 628

2 (3.14* 5*5)= 157

628+ 157= 785.

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I need this last answer please help
pychu [463]
I'm not 100% on this, but something like 90%
SSS stands for Side, Side, Side. This means if you have 2 triangles with equal sides, it would be this.
SAS stands for Side, Angle, Side. This means we know 2 sides are equal, as well as the provided angle. This wouldn't apply, because there IS no provided angle, you only have sides.
ASA stands for Angle, Side, Angle. This would mean that 2 angles are identical (of course, by 2, i mean 1 for each triangle, same applies for SAS) and one provided Side is identical. We, of course, don't know what the sides or the angles are in this case (this part always gets me)
We can eliminate A right off the bat, because it says QRP is equal to TRS, which isn't right. QRP is only equal to SRT, because the order actually DOES matter. We can go ahead and eliminate D as well. Since we have no provided sides or angles (of course we can eyeball it and see that are equal, but your not supposed to really do that) we can assume it is most likely B over C. 
Your best answer provided would be QRP=SRT by SSS, or in other words, B
~Hope this helps, would appreciate brainliest!
7 0
3 years ago
Need help ASAP! Please explain!
maria [59]
Answer should be A, I hope this helps! Btw you shouldn't be asking about something thats on a test haha but thats fine! We all do it sometimes! 
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3 years ago
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