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ella [17]
3 years ago
12

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

Mathematics
1 answer:
mixer [17]3 years ago
3 0

Answer:

Prove that all sides are congruent and that the slopes of consecutive sides are opposite reciprocals. Step-by-step explanation: In order to two segmets to be perpendicular, the slope of both lines must be opposite and reciprocals, having a 90° interception and forming a square.

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2 years ago
A hat contains marbles. Of them, are red and are green. If one marble is randomly selected out of this hat, what is the probabil
maksim [4K]

Answer:

?

Step-by-step explanation:

4 0
3 years ago
Which pairs are solutions to the equation?
klio [65]
The answer is C) (1,7)and (7,1). In order to find the correct answer ,just substitute the numbers for x and y in the problem,so:5(1)(7)+9=44 .35+9 =44,44=44 ,so that's true .Then check the other set of given numbers by substituting for x and y :5(7)(1)+9=44,35*1=35+9= 44,therefore 44=44 ,so both sides are true.*Also remember x is always the first number given,and then y.*
8 0
3 years ago
The center of a circle and a point on the circle are given. Write the equation of the circle in standard form.
nirvana33 [79]

(x-2)^2+(y+2)^2=34

Step-by-step explanation:

Write the equation of the circle in standard form, where center: (2,-2), point on the circle: (5,3)

The equation of circle in standard form is:

r^2=(x-h)^2+(y-k)^2

Where (h,k) is center and r is the radius.

We are given center (2,-2) and we need to find radius r

We know a point on circle (5,3) and center (2,-2)

Finding distance between these points:

r = d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2} \\r= d=\sqrt{(5-2)^2+(3-(-2))^2}\\r= d=\sqrt{(3)^2+(5)^2}\\r= d=\sqrt{9+25}\\r= d=\sqrt{34}

So, r = √34

then r^2 = 34

So, equation of circle is:

(x-h)^2+(y-k)^2=r^2\\(x-2)^2+(y-(-2))^2=34\\(x-2)^2+(y+2)^2=34

Keywords: Equation of circle

Learn more about equation of circle:

  • brainly.com/question/1952668
  • brainly.com/question/3333996
  • brainly.com/question/9510228

#learnwithBrainly

7 0
3 years ago
HELP! QUICK<br> Write the equation for this in point-slope form.<br> (Ill mark as brainlist if good)
Papessa [141]
What is the question?
7 0
3 years ago
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