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Sever21 [200]
3 years ago
15

Find the measure of each angle if c||d show work

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

Part a) <1=72°

Part b) <2=108°

Part c) <3=72°

Part d) <4=108°

Step-by-step explanation:

step 1

Find the measure of angle 1

we know that

<1+108°=180° -----> by supplementary angles

so

<1=180°-108°=72°

step 2

Find the measure angle 2

we know that

<2=108° -----> by corresponding angles

step 3

Find the measure angle 3

we know that

<3=<1-----> by corresponding angles

so

<3=72°

step 4

Find the measure angle 4

we know that

<4=108° -----> by alternate exterior angles

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Drupady [299]

Answer:

\boxed{n=-3}

You should be correct.

Step-by-step explanation:

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Hope this helps.

7 0
3 years ago
X^2+y^2 +4x−6y+9=0<br> what is the center and the radius
mojhsa [17]

Answer: Center (-2,3), radius 2

Step-by-step explanation: Subtract 9 from both sides, then complete the square for the x and y variables & add to both sides: x^2+4x+4+y^2-6y+9=-9+4+9 = (x+2)^2+(y-3)^2=4. The center of this circle in the form (x-a)^2+(y-b)^2=r^2 is (a,b) with radius r. a=-2, b=3, r=\sqrt{4}=2

3 0
3 years ago
-0.2(x-20)=44-x Please i really need help. and please add an explanation if u want to.
neonofarm [45]

Answer: x = 50

Step-by-step explanation:

-0.2(x - 20) = 44 - x

-0.2x + 4 = 44 - x (distribute the -0.2)

  + x                + x

-----------------------------------------------------

0.8x + 4 = 44

        - 4    - 4

-------------------------------------------------------

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x = 50

6 0
3 years ago
What's the slope of 4 , 1 and -9 , 1
cestrela7 [59]
0,-13 that's the answer
4 0
4 years ago
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Sophie [7]

Answer:

-1.3

Step-by-step explanation:

(X1, Y1) (X2,Y2)

M= Y2-Y1/X2-X1

M= 4-(-8)/-6-3

M= 12/-9

M= -1.3

8 0
3 years ago
Read 2 more answers
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