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grigory [225]
3 years ago
15

An irregular parallelogram rotates 360° about the midpoint of its diagonal. How many times does the image of the parallelogram c

oincide with its preimage during the rotation?
Mathematics
1 answer:
tatuchka [14]3 years ago
4 0

Answer:

2

Step-by-step explanation:

The question, is basically asking for the order of rotational symmetry for the parallelogram. This is 2, which means while spinning the parallelogram around its centre point 360 degrees, it looks exactly the same, or matches with its original at 2 points

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10 POINTS!!
umka21 [38]

area of court=

=(1.98+3.96+0.76)×6.2

=40.87 m^2

area of service box

=(3.96)×5.18/2

=10.256 m^2

pr=area of service court/area of court

=10.256/40.87

=25.095

hope it helps you!!

4 0
3 years ago
The difference of two numbers is 120 and thier product is 3600 find them?
maksim [4K]

Answer:

(144.8100,24.8128) (x,y)

7 0
3 years ago
What is the measure of angle 1?
olga55 [171]

Answer:

116 degrees

Step-by-step explanation:

180 - (26 + 90)

180 - 116 = 64 degrees

180 - 64 degrees = 116 degrees

Angle 1 = 116 degrees

Hope that helps!

8 0
3 years ago
Read 2 more answers
Solve by the linear combination method (with or without multiplication).
Dima020 [189]

The first step is to name the equations to make the process of solving them easy.

6x+7y=-4....(1)\\5x-3y=-21....(2)

The second step is to multiply  each of the equations by the coefficient of the x term in the other equation. In this case, we will multiply equation  (1) by 5 to get equation (3) and then multiply equation (2) by 6 to get equation (4).

-30x-35y=20...(3)\\30x-18y=-126...(4).

The next step is to add equation equation(3) and  (4) together to get equation (5) as shown below;

-53y=-106....(5)\\=> y= 2.

The next step is to take the value of y and substitute it into any of the equations above.  For this solution, I pick equation (1). The work done to solve for x is shown below.;

6x+7y=-4\\=>6x+7(2)=-4\\=>6x=-18\\=>x=-3

The solution for this system of equations is (-3,2)


5 0
3 years ago
Find the domain and range of this
11Alexandr11 [23.1K]

Answer:

c on edg

Step-by-step explanation:

did same question

5 0
3 years ago
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