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
PilotLPTM [1.2K]
3 years ago
7

A regular decagon has 10 sides. How many reflectional symmetries does a regular decagon have?

Mathematics
2 answers:
lina2011 [118]3 years ago
7 0

The rule for regular polygons are very easy. The number of reflectional symmetries is same as the number of sides. Regular polygons have all sides the same length and all angles same. Reflection symmetry means that you can fold the shape along that line and it will match up.

For this question, we want the number of reflectional symmetries of a regular decagon. Decagon is a 10 sided figure. Hence, the number of reflectional symmetries is 10.

There are 5 symmetry lines from one vertex to opposite vertex and 5 more symmetry lines form midpoint of one side to midpoint of opposite side.

ANSWER: 10

qaws [65]3 years ago
4 0

Answer:

10,10,36

Step-by-step explanation:

You might be interested in
Problem 1:
pishuonlain [190]

Answer:

A = 2

D = 1

B = 4

C = 3

Step-by-step explanation:

Height of water in bathtub is a function of water in bathtub.

P(t) = w ; t = time ; w = height of water.

A: P (0)=0 ; At time, t = 0 ; height of water = 0, there is no water on bathtub

2: The bathtub starts out with no water.

D: P (20) = 0 ; At time, t = 20 ; w = 0 ;the tub is empty.

1: After 20 minutes, the bathtub is empty.

B:P (4)= 10 `; At t = 4, w = 10 ; height of water in bath tub is 10

4: The height of the water is 10 inches after 4 minutes

C:P (10) = 4 ; At t = 10, w =4, height of water in bathtub = 4 inches

3: After 10 minutes, the height of the water is 4 inches.

.

5 0
3 years ago
Which equation is the slope-intercept form of the line that passes through (12, 9) and is perpendicular to the graph of y = −34x
noname [10]

Answer:did

Step-by-step explanation:I do that.

8 0
3 years ago
Please HURRY !
yan [13]
The answer is the first one or -10
8 0
3 years ago
What is a gcf?and what is a gcf for
Umnica [9.8K]
Gcf stands for greatest common factor
7 0
3 years ago
Read 2 more answers
Fourteen school clubs worked together on a magazine sale they agreed to equally divide the profits from the sale the club raised
Feliz [49]

Answer:

$391

Step-by-step explanation:

5,474/14 = 391

3 0
3 years ago
Read 2 more answers
Other questions:
  • Harris is building a deck around his pool. His contractor charges $525 for labor plus an additional $4.75 per square foot for ma
    11·2 answers
  • Please answer this correctly
    8·1 answer
  • Please HELP, ASAP!
    7·1 answer
  • ANSWER ASAP GIVING BRAINLIEST FIVE STARS AND HEART!
    7·2 answers
  • Can someone please help me with this math question and please explain how you got your answer please help ASAP
    11·2 answers
  • Given m||n, find the value of x.<br><br> (7%-10)<br> (6X-5)
    14·1 answer
  • Ursula scored 8 points in the second half of her basketball game. In total, she scored 32 points during the entire game. Click o
    8·1 answer
  • Help me pls ! if you do l give you the brainiest
    13·2 answers
  • Can someone please help I will give you 30 points and brainliest if the answer is right also no links please
    15·1 answer
  • A bicycle has a listed price of $643.95 before tax. If the sales tax rate is 6.75%, find the total cost of the bicycle with sale
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!