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Mathematics 9 Online
OpenStudy (jessica_leon93):

Find the perimeter of a quadrilateral with vertices at L (-4, 0), M (4, 6), N (7, 2), O (-1, -4). Round your answer to the nearest hundredth when necessary. (5 points) Select one: a. 30 units b. 42 units c. 48 units d. 50 units

OpenStudy (jessica_leon93):

@Hero do I find the distance between the points the points and then add them ?

hero (hero):

The perimeter of an object means the distance around it.

OpenStudy (jessica_leon93):

I think its A

hero (hero):

Please show your work so I can check it.

OpenStudy (jessica_leon93):

well I did the distant formula for each point, and when I added it together to get the perimeter it equaled 30 first I started with point L and M , and then M and N, and then N and O and then O and L . The distance between L and M was 10 and the distance between M and N was 5, and then the distance between N and O was 10 and then the distance between O and L and that was 5.

hero (hero):

I see. If you applied the distance formula properly and then added the distances of LM + MN + NO + OL correctly, then your result should be correct.

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