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
Sauron [17]
3 years ago
14

Through which angle of rotation does the image of a regular pentagon coincide with its preimage?

Mathematics
1 answer:
Cloud [144]3 years ago
5 0

<u>Answer:</u>

The correct answer option is B. 72°.

<u>Step-by-step explanation:</u>

A polygon is said to be a regular polygon when all its sides and angles are equal.

So a regular pentagon coincides with its pre-image when it is rotated at an angle of 72°.

When rotated at an angle of 72°, a regular pentagon produces the same pentagon regardless of being rotated clockwise or anticlockwise.

Therefore, option B is the right choice.



You might be interested in
the singh and robinson families planned a trip to busch gardens. they needed to buy one ticket per person and then pay for parki
hjlf

Let x represent cost of each ticket and y represent cost of parking.

We have been given that the Singh's spent $335 for 5 people and parking. We can represent this information in an equation as:

5x+y=335...(1)

We are also told that the Robinson spent $465 for 7 people and parking. We can represent this information in an equation as:

7x+y=465...(2)

Now we will use elimination method to solve our given system of equations.

Upon subtracting equation (1) from equation (2), we will get:

7x-5x+y-y=465-335

2x=130

\frac{2x}{2}=\frac{130}{2}

x=65

Therefore, the each ticket costs $65.

Upon substituting x=65 in equation (1), we will get:

5(65)+y=335

325+y=335

325-325+y=335-325

y=10

Therefore, the parking costs $10.

5 0
3 years ago
The table shows a linear function.
Korolek [52]

Answer:

-3

Step-by-step explanation:

:)

8 0
3 years ago
This is geometry. idk how to do it
umka2103 [35]

Answer:

Down below

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
11. The length of a rectangle is three times its width. The perimeter of the
Elenna [48]

Answer: The length of the rectangle is 37.5 inches and the width is 12.5 inches

Step-by-step explanation: The dimensions of the rectangle is not given but we have clues given. The length is given as three times it’s width which means if the width is W, then the length would be given as 3W (three times the width). Also the perimeter is given as 100 inches and the formula for the perimeter is;

Perimeter = 2(L + W)

We can now insert the known values as follows;

100 = 2(3W + W)

100 = 2(4W)

100 = 8W

Divide both sides of the equation by 8

12.5 = W

Having calculated the width as 12.5 inches, the length now becomes

L = 3W

L = 3 x 12.5

L = 37.5

Hence the length is 37.5 inches and the width is 12.5 inches

8 0
3 years ago
If two angles in a triangle are 60° and 30°, is the third angle acute, obtuse, or right?​
Sindrei [870]

Answer: Right Angle

Step-by-step explanation:

And Since The Angles Of a Trangle Add Up To 180° When You Substract 90 From It You Remain With Another 90° Which Means The Angle Is Non Other Than a right angle traingle

60° + 30° = 90°

180° - 90° = 90°

∴ 90° = Right Angle Traingle

4 0
3 years ago
Other questions:
  • What is 18= 1/3(3h-6)
    5·1 answer
  • Rewrite 9(10+11+12) using the distributive property of multiplication over addition
    12·2 answers
  • A manufacturer makes plastic containers in the shape of rectangular prisms. One container has a height of 5 inches, a width of L
    13·1 answer
  • Solve for x. 4.2x + 0.8x = 5*
    7·1 answer
  • Please help i will add u to brainliest:) ​
    7·2 answers
  • Simplify your answer should contain only positive exponents<br>(3x^2)^4​
    7·1 answer
  • PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
    12·1 answer
  • Mr. drew rides his motorcycle with a constant speed of 72 mi/hr. How far can he travel in 2 ½ hours?
    13·2 answers
  • For positive acute angles A and B, it is known that sin A = 24/25 and cos B = 11/61
    9·1 answer
  • according to chebyshev's theorem, what perpent of the observatioons lie within plus and minus 2.5 standard deviations of the mea
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!