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EleoNora [17]
3 years ago
9

Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a parallelogram?

Mathematics
1 answer:
max2010maxim [7]3 years ago
6 0

Answer:

The answer is C

Step-by-step explanation:

Prove that opposite sides are congruent and have equal slopes.

I took the test and got it correct.

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Step-by-step explanation:

2/root 9=2/3 = 0.6666666667

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3/8

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Use structure find the perimeter of equilateral triangle klm given the vertices k(-2, 1) and m(10, 6).
Deffense [45]

Perimeter of the equilateral triangle KLM with vertices K(-2 ,1) and M (10,6) is equal to 39 units.

As given in the question,

Coordinates of vertices K(-2,1) and M(10,6)

KM = \sqrt{ (10-(-2)^{2} +(6-1)^{2} }

      = \sqrt{12^{2}+5^{2}  }

      = 13units

In equilateral triangle  KL = LM = KM = 13 units

Perimeter of equilateral triangle KLM = 13 +13 +13

                                                           = 39 units

Therefore, perimeter of the equilateral triangle KLM with vertices K(-2 ,1) and M (10,6) is equal to 39 units.

Learn more about perimeter here

brainly.com/question/6465134

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Select two ratios that are equivalent to
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Answer:

21 : 30 and 35 : 50​

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