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Mathematics 8 Online
OpenStudy (blu_seaa):

What is the distance between points E and G? Round your answer to the nearest tenth of a unit. https://static.k12.com/calms_media/media/1578500_1579000/1578508/2/932536e8d7197ba525d85d2ba2cddf5bcd4de431/MS_IMC-150122-130512.jpg I think it's 65 units.

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

and oh no!! not 65 that is way too big

OpenStudy (misty1212):

you forgot to take the square root is all

OpenStudy (agent0smith):

Show your work. But it should be clear from the diagram that 65 is far too large. Each of those squares on the grid is only one unit across... and there sure as hell isn't anywhere near 65 of them between those two points.

OpenStudy (mathmale):

Might be a good idea to write out the Pythagorean Theorem and then make sure you're following it to the letter. Or, use the distance formula, which is a variation of the P. Theorem. In any case, please show your work if you want the most specific feedback.

OpenStudy (misty1212):

you started out right with \[7^2+4^2\] but that is the square of the distance, not the actual distance

OpenStudy (luckyness):

I believe you are correct. Take a look at this: http://prntscr.com/aljaex I went up tot he line the second points are on, then counted the units up, then the units that it took to get there.

OpenStudy (mathmale):

Yes, you can read off from the graph the "rise" and "run" and use these lengths in the Pythagorean Theorem, to find the length of the hypotenuse.

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