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Anit [1.1K]
3 years ago
13

Jenny drew a figure in art class. Does it have rotational symmetry? If yes, what is the angle of rotation.

Mathematics
2 answers:
Andrews [41]3 years ago
6 0

Answer:

60°

Step-by-step explanation:

Jenny drew a figure in art school and the figure is shown in the attached diagram.  

The diagram is a regular hexagon and it has rotational symmetry.  

Two of its sides is placed parallel to the x-axis.

Therefore, by rotating 60° the adjacent sides will become parallel to the x-axis and the figure remains the same and symmetric with respect to the coordinate axes. (Answer)

goldenfox [79]3 years ago
5 0

Answer:

<h2>60°</h2>

Step-by-step explanation:

The fiven figure is a hexagon, which is a regular polygon with six equal sides.

Now, the symmetry of a hexagon is based on a 60° rotation, because each symmetrical portion of the figure enclosed a 60° angle.

Therefore, the right answer is 60°.

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3 Questions Math! HELP!!!
Sveta_85 [38]
1) Since the larger number is a negative, you’re going to get a negative solution for number one. An easy way to do the math is to ignore the negative sign in (-116) For a moment. And subtract 56 from it.
116 - 56 = 60. Don’t forget to place the negative sign we pushed to this side before the solution. The answer is -60.

2) We do the same thing we did in number one, but with new numbers. The answer in total is -178.

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8 0
3 years ago
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Including 5% sales tax, an inn charges $252 per night. Find the inn’s nightly cost before the tax is added
stira [4]

Hi,

To find the cost before tax, we must find out how much the tax is. So we multiply 252 x .05 to get 12.6. So we know the tax was 12.6 dollars. Now all we have to do is subtract that from the total to get our answer. 252 - 12.6 = 239.4.

Have a great day!

3 0
3 years ago
A pair of shoes is on sale for 80% off the original price. The sale price is $60. What was the original price
ella [17]
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6 0
3 years ago
In triangle ABC, a = 9, c = 5, and B = 120°. Find b2.
anygoal [31]

Answer:

(D) b^2=151

Step-by-step explanation:

Given: In triangle ABC, a=9, c=5 and ∠B=120°.

To find: The value of b^2.

solution: It is given that In triangle ABC, a=9, c=5 and ∠B=120°.

Now, using the law of cosines, we get

b^2=a^2+c^2-2(a)(c)cosB

Substituting the given values, we get

b^2=9^2+5^2-2(9)(5)cosB

b^2=81+25-90(\frac{-1}{2})

b^2=81+25+45

b^2=151

which is the required value of b^2.

Therefore, option D is correct.

3 0
3 years ago
Could somebody please help me??
solniwko [45]

Answer:

She didn't make a mistake

Step-by-step explanation:

7 0
3 years ago
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