1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lana [24]
1 year ago
15

O is the center of the regular decagon below. Find its perimeter. Round to the

Mathematics
1 answer:
dangina [55]1 year ago
7 0

The perimeter of the regular decagon is 110.5

<h3>what is a Decagon?</h3>

A Decagon is a polygon with 10 sides and 10 angles.
A Polygon can be regular or irregular.  When the polygon is regular, we say that the sides of the polygon are equal.

Analysis:

The sum of the interior angles of a polygon is given by : (n - 2 ) x 180

number of sides of a decagon (n) = 10

(10-2) x 180 = 1440°

So each interior angle is 1440/10 = 144°

in the diagram, if we draw a line from o to bisect  the angle, we form a right angle triangle with 72°. Also the 17 line divides the side of the polygon into two since it is a line drawn from the center of the decagon.

To find the base of the triangle, we use trigonometric ratios

tan 72 = 17/base

base = 17/tan72

base = 17/3.0776

base = 5.523

to find the side of the decagon, we multiply by 2

side of decagon = 2 x 5.523 = 11.046

perimeter of decagon = 10 x side of decagon

perimeter of decagon = 110.5

in Conclusion, the perimeter of the regular decagon is : 110.5

Learn more about polygon : brainly.com/question/1592456

#SPJ1

You might be interested in
What = 3/17 can't find it so i need help
Andrews [41]
The answer to your question is 
0.176470588
6 0
3 years ago
Read 2 more answers
Giving brainliest but has to be a actual answer
vaieri [72.5K]

Answer:

2,800 Books to be the same.

3 0
3 years ago
3w - 11 = 25<br> can someone answer this plz
adoni [48]

Answer:

w = 12

Step-by-step explanation:

3w = 11 + 25

3w = 36

w = 12

Hope that helps!

3 0
3 years ago
Read 2 more answers
- Equation Editor A set of curtains normally
sweet [91]

Answer:

89.99

Step-by-step explanation:

u add i48934yr84 r84

7 0
3 years ago
If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the sys
noname [10]
<h2>Key Ideas</h2>
  • Systems of equations

<h2>Solving the Question</h2>

When both sides of the equal sign are equal, there are infinite solutions.

When you are able to isolate the variable, there is only one solution.

When the equation states an untrue expression, there is no solution.

1=3 is an untrue fact. Therefore, there would be no solutions to the system.

<h2>Answer</h2>

There is no solution

5 0
2 years ago
Other questions:
  • Write an equivalent expression for 7+5k-2-3k+n. Which statements are true about the steps for writing the equivalent expression?
    14·2 answers
  • if a lawyer bills $350/hour, how much does he makes every second? how much does he make per year? assume he works 50 hours per w
    6·1 answer
  • Whats 6.82 as a mixed number
    6·2 answers
  • Need help will give brainliest
    7·2 answers
  • A poll of a registered voters is a small town is taken to determine their preferences in the national Presidential election. The
    5·2 answers
  • Activity
    13·1 answer
  • The function f(x) = 4x + 5 has domain 0sxs 50. What is its range?<br> The range of the function is
    14·1 answer
  • Question 18 (5 points)
    7·2 answers
  • PLEASE HELP! I HAVE A TIME LIMIT AND IM BEHIND
    14·1 answer
  • What is the volume of a triangular prisim if the length is 4cm heigght is 3cm and width is 11cm
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!