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
natka813 [3]
3 years ago
14

The measure of a single angle in a regular octagon is (4x + 12)Á. Find the value of x. Show equations and all work that leads to

your answer.
Mathematics
2 answers:
Ahat [919]3 years ago
8 0
The sum,S, of the internal angles of regular polygon  is (n-2) 180°

Where n is the number of sides.

For the octagon n = 8, then S (8 - 2) 180° = 1080°.

Given that it is regular, each angle is 1080° / 8 = 135°

Then 4x + 12 = 135 => 4x = 135 - 12 = 123

x =  123 / 4 = 30.75 °

kkurt [141]3 years ago
6 0
4x+12=135          8(4x+12)=8*135=1080
-12        -12           32x+96=1080
4x=123                        -96    -96
/4    /4                    32x=984
x=30.75                   /32   /32 
                                   x=30.75
You might be interested in
I really need help <br> ;-;
denis23 [38]
Hi there! I can help you!

a. Okay. So we have to make a table for the amount of butterflies to total insects. Let's simplify the ratio. 36:100 simplifies to 9:25. We can use that ratio to make this table. Just multiply 25 by the amount it takes to get to 50 or 100, and multiply by the same amount at the top to find the amount of butterflies. If you do it correctly, your table should be as shown below in the image.

b. On that note, let's solve for the amount of butterflies in the conservatory. There are 450 total of them. Let's divide 450 by 100 to find the amount we will multiply by. 450/100 is 4.5. We will mutliply 36 by that amount to find the total amount of butterflies. 36 * 4.5 is 162. That's it. There are 162 butterflies in the conservatory.

8 0
4 years ago
7. Estimote the following percentages of 60.<br> 10% =<br> 25% =<br> 50% =<br> 20% =
Orlov [11]

Answer:

10% of 60 = 6

25% of 60 = 15

50% of 60 = 30

20% of 60 = 12

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
I need to replace the carpet for my bedroom floor and the supplier wants to
I am Lyosha [343]

Answer:

D. 120 square feet

Step-by-step explanation:

12×10=120

120 square feet

6 0
3 years ago
Read 2 more answers
8/9 + 4/7 =<br> Can you get the Anwar for this sum
attashe74 [19]

here. I don't know if its right but i hope it is.

7 0
3 years ago
Read 2 more answers
7. A company manufactures shaving sets for $5 each and sells them for $7 each. How many shaving sets must be sold for the
MakcuM [25]

Answer:30,000

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Three friends have dinner at a restaurant. The total bill for the dinner is $41. The friend want to leave at 50% tip and they wa
    5·1 answer
  • Please help confused
    15·1 answer
  • 9 * 6 * 10 / the power of 3
    11·1 answer
  • The soccer team has lost 3 out of 7 games so far this season.
    11·2 answers
  • Mario is setting up a new tent during a camping trip. The tent came with 7 feet of rope. The instructions were to use 34.5 inche
    15·1 answer
  • PLEASE HURRY !!!!!
    8·1 answer
  • A pound of blueberries cost $1.25. A pound of jello costs $2.35.
    14·2 answers
  • A sample of households in a community is selected at random from the telephone directory. In this community, 4% of households ha
    5·1 answer
  • G(1) = 0<br><br>g(n) = g(n - 1) + n<br><br><br><br>g(2) = ?​
    8·1 answer
  • Which of the following are geometric sequences check all that apply
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!