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Mathematics 9 Online
OpenStudy (ttop0816):

please answer asap! What is the length of AB? https://media.glynlyon.com/g_geo_2012/12/img_geou12a_2.gif -10.5 -4 -10 -6

OpenStudy (littlebird):

Now there is only one step left.

OpenStudy (ttop0816):

@Littlebird thank you so much! do you mind helping me out with another question please??

OpenStudy (littlebird):

Ok

OpenStudy (littlebird):

Did you get 4?

OpenStudy (ttop0816):

A partial cylinder lies on its side. The bases are a 90° sector of a circle. What is the exact volume of the partial cylinder? https://media.glynlyon.com/g_geo_2012/12/img_geou12a_17.gif -160π in3 -20π in3 -80π in3 -40π in3

OpenStudy (ttop0816):

@Littlebird the answer is 4 right?

OpenStudy (anonymous):

did you get the real answer??

OpenStudy (littlebird):

I believe the answer to the first question was 4.

OpenStudy (ttop0816):

@Littlebird what about the second question that i asked? ):

OpenStudy (littlebird):

OpenStudy (ttop0816):

@Littlebird omg thank you SO SO SO SO MUCH i just have 2 more questions do you think you can help me? (:

OpenStudy (ttop0816):

sorry its actually 3 problems): If = 40°, and m∠CDE = 30°, what is m AB? https://media.glynlyon.com/g_geo_2012/12/img_geou12a_6.gif If AB = 10, what is the length of DE? https://media.glynlyon.com/g_geo_2012/12/img_geou12a_9.gif The point A (-7, 5) is reflected over the line x = -5, and then is reflected over the line x = 2. What are the coordinates of A'? -(7, 19) -(10, 5) -(7, 5) -(10, 19)

OpenStudy (littlebird):

I'm starting with the second problem since your first question is missing whatever is equal to 40 degrees.

OpenStudy (littlebird):

http://www.mathopenref.com/secantsintersecting.html

OpenStudy (littlebird):

I have to go for a while. Those urls might be able to help you

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