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kow [346]
2 years ago
5

Pls help someone pls help

Mathematics
1 answer:
AlexFokin [52]2 years ago
4 0

Answer:

The answer is d.

Draw the ray from 12 downward

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Guyss help plss i need serious answer I'm buriéd with work plss beg :(​
soldi70 [24.7K]

Answer:

solution given:

B.

CE=2×2=4[base side is double to the line of mid point]

AB=15/2=7.5[b is a mid point]

m<AEC=75°[ corresponding angle]

5.

given:

BD=x+1

CE=x+10

we have

2BD=CE

2(x+1)=x+10

2x+2=x+10

2x-x=10-2

x=8

6 0
2 years ago
In which case would it be necessary to find the area of this circle
9966 [12]
You need to know the area if you're going to
  1st selection: cover the surface of the dartboard.
7 0
3 years ago
What are the coordinates of the endpoints of the midsegment for DEF that is parallel to DE
Nutka1998 [239]

Answer:

\left(\dfrac{x_D+x_F}{2},\dfrac{y_D+y_F}{2}\right),  \left(\dfrac{x_E+x_F}{2},\dfrac{y_E+y_F}{2}\right).

Step-by-step explanation:

Let points D, E and F have coordinates (x_D,y_D),\ (x_E,y_E) and (x_F,y_F).

1. Midpoint M of segment DF has coordinates

\left(\dfrac{x_D+x_F}{2},\dfrac{y_D+y_F}{2}\right).

2. Midpoint N of segment EF has coordinates

\left(\dfrac{x_E+x_F}{2},\dfrac{y_E+y_F}{2}\right).

3. By the triangle midline theorem, midline MN is parallel to the side DE of the triangle DEF, then points M and N are endpoints of the midsegment for DEF that is parallel to DE.

6 0
3 years ago
Determine whether the triangles are similar by AA, SSS, SAS, or not similar
Anton [14]

Answer:

Step-by-step explanation:

If Δ JKL ~ Δ JHG , then

\frac{LJ}{GJ} = \frac{KJ}{HJ}

\frac{95}{68} ≠ \frac{87}{72} ⇒ triangles are not similar

7 0
2 years ago
A point moves in the plane in the following sequence.
dem82 [27]

Answer:

D

Step-by-step explanation:

The answer is point D(-2,1).

1. If the point D was moved down 2 units, then its coordinates became (-2,-1).

2. If point (-2,-1) was reflected over the x-axis, then its coordinates became (-2,1).

3. If the point (-2,1) was moved 4 units to the right, then its coordinates became (2,1).

4. If point (2,1) was reflected over y-axis, its coordinates became (-2,1).

4 0
3 years ago
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