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GarryVolchara [31]
3 years ago
11

The external angle of a regular polygon is 200 . How many sides does it have ? What is the measure of each interior angle? What

is the total measure of its angles.
Mathematics
1 answer:
Zanzabum3 years ago
3 0

Answer:

An 18 sided shape.

Since the sum of the exterior angles of a polygon is 360° and an angle of the regular polygon is 20°, then 360° / 20° is the number of sides. We find the answer = 18, an octadecagon

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Solve the system by graphing.
olya-2409 [2.1K]

Option A: (0,2) is the correct answer

Step-by-step explanation:

the given equations are linear equation.

System of linear equations can be solved by graphing. The graph of equations are in the form of lines, the solution of the equations is the point of intersection of both lines

Given equations are:

y = x+2\\y = -2x+2

We have used the online graphing calculator "desmos" to plot the lines (Picture Attached)

The lines intersect at: (0,2)

Hence,

Option A: (0,2) is the correct answer

Keywords: Linear equations

Learn more about linear equations at:

  • brainly.com/question/750742
  • brainly.com/question/7419893

#LearnwithBrainly

3 0
3 years ago
___:21=5:7 helppp me pleasee
rusak2 [61]

Answer:

15:21 = 5:7

Step-by-step explanation:

21/7 = 3

5 x 3 = 15

3 0
3 years ago
the pressure on a scuba diver at sea level is 14.7 pounds per square inch. The pressure in creases 0.445 psi for each foot of de
never [62]
Should be 14.7÷41.4= 0.355
7 0
3 years ago
The equation of a circle centered at the origin is x^2+y^2=16. what is the radius of the circle?
vekshin1

Answer:

The center is (0,0) and the radius is 4

Step-by-step explanation:

x^2+y^2=16.

The equation of a circle can be written in the form

(x-h)^2+(y-k)^2=r^2  where ( h,k) is the center and r is the radius

(x-0)^2+(y-0)^2=4^2

The center is (0,0) and the radius is 4

4 0
3 years ago
The pizza shop offers a 15 percent discount for veterans and senior citizens. If the price of a pizza is $12, how would you find
Rasek [7]

Answer:

All you would do is times 12 by .15 or 15% you get 1.8 then all you do is 12 minus 1.8 you get $10.20 that is the price of a discounted pizza

I hope this helps

4 0
3 years ago
Read 2 more answers
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