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Gemiola [76]
3 years ago
9

Draw a diagram in which segment AB intersects segment CD equals segment CB

Mathematics
2 answers:
Iteru [2.4K]3 years ago
8 0
You just have to draw to lines similar in length, and then enlarge one of them to become the AB section, while the other one indicates the starting point for C. You've an example in the attached file :)
Download pdf
Contact [7]3 years ago
5 0
The <u>correct diagram</u> is attached.

Explanation:

Using technology (such as Geogebra), first construct a line segment.  Name the endpoints C and D.

Construct the perpendicular bisector of this segment.  Label the intersection point with CD as B, and create another point A above it.

Measure the distance from C to B and from B to D.  They will be the same.

Measure the distance from A to B.  If it is not the same as that from C to B, slide A along line AB until the distance is the same.

Using a compass and straightedge:

First construct segment CD, being sure to label the endpoints.

Set your compass a little more than halfway from C to D.  With your compass set on C, draw an arc above segment CD.

With your compass set on D (the same distance as before) draw an arc above segment CD to intersect your first arc.  Mark this intersection point as E.

Connect E to CD using a straightedge; mark the intersection point as B.

Set your compass the distance from C to B.  With your compass on B, mark an arc on EB.  Mark this intersection point as A.

AB will be the same distance as CB and BD.

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borishaifa [10]

Answer:

70 degrees

Step-by-step explanation:

Measure of arc ABC is 128 degrees, so measure of arc BC is 128-90 = 38 degrees.

Meausure of arc BCD is 102 + 38 = 140 degrees, so measure of angle A is 140/2 = 70 degrees

7 0
2 years ago
Read 2 more answers
I"M SO DONE WITH BOTS SOMEBODY PLEASE HELP ME
Mice21 [21]
<h3><u>Answer:</u></h3>
  • Your answer would be "30".
<h3><u>Step-by-step explanation:</u></h3>
  • 2x + 20 = 3x - 10 [Corresponding Angles]
  • => 10 + 20 = 3x - 2x
  • => 30 = x
<h3><u>Conclusion:</u></h3>

Therefore, your answer would be "30".

Hoped this helped.

BrainiacUser1357

5 0
2 years ago
I forgot how to do this. Please help!
Annette [7]

Answer:Here

I forgot how to do this. Please help!

Step-by-step explanation:

5 0
2 years ago
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Please answer this question for points
alexgriva [62]

Answer:

<h2>y = -2x + -3</h2>

Step-by-step explanation:

Slope-intercept form is y = mx + b

"m" is the slope, how steep the line is.

"b" is the y-intercept, where to graph hits the y-axis.

Check the scale for this grid. Since there are "1" written on the first box after the middle, <u>one square = one unit</u>.

To find "m", use  m = \frac{rise}{run}   between the two dotted points on the graph. The first point is always on the left.

<u>"Rise" means how many squares above</u> the first point the second point is.

Since the second point is below the first point, the number is negative.

<u>"Run" means how many squares to the right</u> the second point is.

m = \frac{rise}{run}          

m = \frac{-2}{1}

m = -2

To find "b", look at where the graph it touching the y-axis.

The y-axis is the vertical line (going from top to bottom).

Count the number of squares from the grid's middle to the graph line.

There are 3 squares.

Since the graph touches below the origin, this is a negative number.

b = -3

In the boxes, you put negative two (-2) and negative three (-3).

* Usually we would simplify the equation to y = -2x - 3.

6 0
2 years ago
Please help me..
schepotkina [342]

Answer: A: (x + 4)² + (y - 5)² = 8

<u>Step-by-step explanation:</u>

The equation of a circle is: (x - h)² + (y - k)² = r²     where

  • (h, k) is the center of the circle
  • r is the radius of the circle

To find the equation of circle A, we need (h, k) and r².

It is given that (h, k) = (-4, 5)

The distance between the center of circles A and B is the radius of circle A.

Let's find the center of circle B by completing the square:

x² - 4x + ____ +  y² + 6y + _____ = 12 + ____ + _____

     ↓                            ↓      

  h = -4/2                    k = 6/2

  h = -2                       k = 3              →  Circle B has center (-2, 3)

Now let's find the distance between the center of circles A and B:

(r_A)^2=d^2=(x_A-x_B)^2+(y_A-y_B)^2

                = (-4 - (-2))² + (5 - 3)²

                =     (-2)²     +     2²

                =       4        +     4

                = 8

Now we have the the center (h, k) and the r² for circle A:

(h, k) = (-4, 5) and r² = 8   →    (x + 4)² + (y - 5)² = 8

 

5 0
3 years ago
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