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Monica [59]
4 years ago
15

HELP PLEASE 100 POINTS AND BRAINLIEST!

Mathematics
2 answers:
spin [16.1K]4 years ago
8 0

Answer:

(D)Prove that opposite sides are congruent and that the slopes of consecutive sides are opposite reciprocals

Step-by-step explanation:

Let us verify the choosen option

In Quadrilateral ABCD with points A(-2,0), B(0,-2), C(-3,-5), D(-5,-3)

Using the distance formula

Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

|AB|=\sqrt{(0-(-2))^2+(-2-0)^2}=\sqrt{8}=2\sqrt{2}\\|CD|=\sqrt{(-5+3))^2+(-3+5)^2}=\sqrt{8}=2\sqrt{2}\\|BC|=\sqrt{(-3-0))^2+(-5+2)^2}=\sqrt{18}=3\sqrt{2}\\|AD|=\sqrt{(-5+2)^2+(-3-0)^2}=\sqrt{18}=3\sqrt{2}\\

Since |AB| is congruent to |CD| and |BC| is congruent to |AD|, we conclude that opposite sides are congruent.

Next, let us consider the slope.

Slope of |AB|= \frac{-2-0}{0-(-2)} =\frac{-2}{2}=-1

Slope of |BC|=\frac{-5+2}{-3-0} =\frac{-3}{-3}=1

Since the slopes of consecutive sides are opposite reciprocals, therefore ABCD is a rectangle.

<u>Option D is the correct option.</u>

nordsb [41]4 years ago
5 0

Answer:

the answers will be D

Step-by-step explanation:

prove that opposite sides are congruent and that the slopes of consecutive sides are opposite reciprocals

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Leto [7]

Answer:

The area of the shape (trapezoid) is 55 square feet.

Step-by-step explanation:

The formula to get the area of a trapezoid is ((b_{1} +b_{2} )/2)*h . b1 is one of the bases, b2 is the other and h is the height.

First, you need to find the average of the bases:

          (15+7=22)/2=11

Then, you multiply that by the height.

          11*5=55

Lastly, you add the units.

          55 square feet is the answer

8 0
4 years ago
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3 0
3 years ago
Help me pls!<br> find x and hurry im under a time limit
Licemer1 [7]

Answer:

x = 13

Step-by-step explanation:

Using the 48° angle, we find out that the angle opposite of angle y° is also 48° according to the corresponding angles theorem. Then, you would subtract 48 from 180 to get the degrees of angle y, which would be 132°. Next, you need to subtract 132 from 180 to get the angle measure of the (5x - 17)° angle. (180 - 132 = 48) Once you have done that, all you have to do now is figure out what value of x makes it equal to the degree measure you found by subtracting 132 from 180. I tried it with x = 13, which came out as a correct answer. So x must be 13.

(5x - 17)°

(5(13) - 17)°

(65 - 17)°

(48)°

48°

The angle equals 48° and x equals 13.

4 0
3 years ago
Read 2 more answers
PLEASE HELP ME!
ELEN [110]

Answer:

the answer is c

Step-by-step explanation:

8 0
3 years ago
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I nee d help with this because my teacher didn't explain it well.
koban [17]

To solve 10x-35+3ax=5ax-7a, we'll need to assume that a is a constant and that we are to solve for the variable x.  To accomplish this, group all the x terms together on one side and all of the no-x terms on the other:

10x + 3ax - 5ax = -7a + 35

Factoring x out of the left side, we get:

x(10 - 2a) = 7(5 - a).  Dividing both sides by (10 - 2a), we get:

       7(5 - a)

x = ------------ = 7/2

      2(5 - a)

x has the value 7/2.

5 0
4 years ago
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