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Mathematics 13 Online
OpenStudy (anonymous):

This question has a couple other ones associated with it that I would like help on. They are probably really easy, but can't remember how to do them.

OpenStudy (anonymous):

OpenStudy (anonymous):

Wait a minute I am gonna help you just now

OpenStudy (anonymous):

I mostly need help rememvering how to do this. I took a couple week vacation from this class :P

OpenStudy (anonymous):

*remembering

OpenStudy (anonymous):

This question seems to be misleading. If it is asking for the length of AB, then that would just be the length of the straw that is inside the container, or 8-1 = 7 inches.

OpenStudy (anonymous):

that's what I was thinking, but didn't know if there was more to it. Thanks bro.

OpenStudy (anonymous):

@Stevex would you like to help me with a few others?

OpenStudy (anonymous):

Yeah sure - just post them and I'll do my best to work them out.

OpenStudy (anonymous):

Ok should I go through this one, since it is with the same picture?

OpenStudy (anonymous):

Sure

OpenStudy (anonymous):

OpenStudy (anonymous):

We will use the Pythagorean theorem to calculate the lengths. BC is just the diagonal of the base. Therefore we will use the two side lengths, which create a right triangle, to calculate them:\[\sqrt{4^{2} + 4^{2}}\] or \[\sqrt{32}\] For AC, we will use the length of the known AB (7) to and BC to calculate. AB and BC form the hypotenuse and leg of the right triangle, respectively. Using the Pythagorean formula, AC = \[\sqrt{7^{2}-\sqrt{32}^{2}}\] = \[\sqrt{17}\]

OpenStudy (anonymous):

Thank you so much! That helped me even with my next set of questions :)

OpenStudy (anonymous):

No problem! :D

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