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LuckyWell [14K]
2 years ago
7

7 Find mzx. X (2x + 22)° (9x – 15) Z Y (4x + 11) W

Mathematics
1 answer:
kakasveta [241]2 years ago
7 0

Answer:

Step-by-step explanation:

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How to find the central angle of a regular polygon
Annette [7]

Answer:

I hope this helps

Step-by-step explanation:

Central angle of a regular polygon:

The central angle of a polygon is the angle made at the center of a polygon by any two adjacent vertices as shown in the figure below.

In the above figure, the angles a, b, c, d, e and f are the central angles of the hexagon. There are 6 central angles in a hexagon. The number of central angles in a polygon is always equal to the number of sides of the polygon.

As you can see in the figure above, all the central angles of the polygon together will always form a complete circle. Hence the central angles add up to 360° in all polygons. Since a regular polygon has all equal sides, the central angles in a regular polygon are also equal.

So to find the measure of the central angles of a regular polygon follow the steps below:

First identify the number of sides ‘n’.

Then divide 360° by n.

For example: say you need to find the central angle of a regular pentagon.

First identify the number of sides ‘n’: here n = 5

Then divide 360° by n: 360° ÷ 5 = 72°.

Conversely, you can also find the number of sides of a regular polygon, when the central angle is given, by dividing 360 by the central angle.

Note: In the case of an irregular polygon, since there is no clear center for an irregular polygon, it has no central angle.

3 0
3 years ago
Angle C is an inscribed angle of circle P. Angle C measure (17x-2) and arc AB measure (20x+10). Find X
jeyben [28]
10x + 5 = 16x - 1 
<span>6x = 6 </span>
<span>x = 1 </span>
5 0
3 years ago
Which number has the same value as 20 tens
Leviafan [203]
200.

Twenty groups of ten = 20x10
20x10 = 200
3 0
3 years ago
Read 2 more answers
Please help me 10 points will mark brainliest
alex41 [277]
Divide both sides by f then cancel out
7 0
3 years ago
Susan made $117 for hours 9 of work.
Irina18 [472]
First we need to figure out how much Susan made per hour

117/9 = 13 dollars per hour

Then find out how much she makes in 7 hours

13 • 7 = 91 dollars

$91 in 7 hours
8 0
3 years ago
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