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shusha [124]
2 years ago
10

In the picture, quadrilateral A'B'C"D' is an image of quadrilateral ABCD after a rotation. The center of rotation is E. Label th

e missing side and angle measurements

Mathematics
1 answer:
gtnhenbr [62]2 years ago
6 0

Answer:

Angle D is 45 degrees. The side length is 9 in.

Step-by-step explanation:

In a rotation, side lengths and angles do not change.

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PLS HELP THIS IS DUE TOMORROW AND I'M SO DUMB
Vitek1552 [10]
To find a perimeter of any shape you just need to add together all the sides of the shape. 
For example: /_\ (pretend this is a triangle)
If each side of the triangle is 5 cm, then 5+5+5=15 cm (or you can do 5*3=15 cm)
The perimeter of the triangle is 15 cm. 

Hope I helped!(:
8 0
3 years ago
Consider lines An and CD
vichka [17]

Answer:

slope of AB = 2

slope CD = 2

Step-by-step explanation:

the equation of a line is y = ax+ b  where a is the slope, b is the y-intercept

let us take  yB - yA

→ yB - yA = axB <u>+ b</u> - axA <u>- b</u>

→ yB - yA = a(xB - xA)

→ a = (yB - yA) / (xB = xA)   =  (6 - 2) / (-5 - (-7)) = 2

same goes for line CD

5 0
3 years ago
If XYZ measures 45°, what is the measure of ?
ololo11 [35]
D. 45 and can you answer my history please ASAP
7 0
3 years ago
Si tienes un rectángulo de área igual a x2 + 5x¿Cuál de las siguientes factorizaciones nos presenta el producto de la base por l
Softa [21]

Answer: factorizar x de x ^ 2 + 5x.

x (x + 5)

Step-by-step explanation:

7 0
3 years ago
... tbh idek anymore
stepan [7]
1/4 is the correct answer
4 0
3 years ago
Read 2 more answers
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