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The vertices of a parallelogram are A(x1,y1), B(x2,y2), C(x3,y3), D(x4,y4) Which of the following must be true if ABCD is proven to be a rectangle. Choices are attached.
answered
Oct 27, 2017
Mathematics
middle-school
4
votes
99.8k
views
4. Why is it important to know the division or phylum of the various plant species growing in your backyard?
answered
Jul 12, 2017
Biology
high-school
5
votes
50.1k
views
After Middle Eastern lands were partitioned between European countries, France was placed in charge of which region? a. Iraq b. Syria c. Jordan d. Palestine
answered
Jan 23, 2017
History
high-school
4
votes
34.4k
views
A water wave has a frequency of 2 hertz and a wavelength fo 5 meters. Calculate is speed
answered
Jul 11, 2016
Physics
high-school
2
votes
210k
views
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