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Maru [420]
3 years ago
15

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

m coincide with its preimage during the rotation
A. 2

B.4

C.6

D.8
Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0
A is the answer to your question
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HELP!!!!!!!!!!!!!!!!!!
maxonik [38]

Answer:

Concept: Area

  • Area= (3.14)r^2
  • Hence 3.14 * 7^2
  • 3.14* 49 =153.86
  • Divide by 4 for the qualifications
  • 153.86/4= 38.47
7 0
2 years ago
Read 2 more answers
Can you please help me THAKS! IN A HURRY IT'S midnight and I am trying to finish my work from home My parents allow me to ask
rusak2 [61]

Answer: 6.82

Step-by-step explanation:

So we know the Law of Sines which is that Sin A/a = Sin B/b = Sin C/c. The Sin on top of the fraction is the angle, and the letter on the bottom is the side opposite from that angle.

Our first step is going to be finding the last angle. We have 2 angles already, but one that's missing. We know that all triangles' angles add up to 180, so we can add 68+40=108. Then do 180-108 to get 72. Now we know the third and final angle.

Ok so back to Law of Sines. Now we can plug into that equation. We only need Sin A/a = Sin B/b (It doesn't matter what order you put them in). And remember the lowercase letter at the bottom represents the OPPOSITE side from one of the angles. Since the problem wants the side opposite Sin 68, let's set up a proportion.

\frac{Sin72}{7} =\frac{Sin 68}{x}

Set up we have what we know. We know one side, and opposite that is the angle we already solved for. Now we can cross multiply and end up with:

x (Sin 72)= 7(Sin 68)

Since we want to isolate x, we can divide each side by Sin 72.

x= 7(Sin 68)/Sin 72

So now let's put it into the calculator:

7(Sin 68)=6.2853

Now let's divide 6.2853/Sin 72

And you should be left with 6.82 if you round it!

7 0
3 years ago
Answer this Q QUIQLY PLZ
MariettaO [177]

Answer: 3. HAVE AN AMAZING DAY

8 0
3 years ago
your quidditch league has 5 teams. you will play a tournament next week in which every team will play every other team once. eac
Airida [17]

The fewest number of days over which the tournament can take place is 5 days.

<h3>How to calculate the number of days?</h3>

As each team plays with other team Once and we have total 5 teams so number of matches will be (4+3+2+1)

Counted as team 1 plays with all other teams = 4 matches

Team 2 plays with team 3,4,5 =3 matches

Team 3 play with team 4,5=2 match

And the last match is between team 4 and team5

Total match = 10 and can be played two matches per day:

Number of days = 10/2

= 5 days.

Learn more about expressions on:

brainly.com/question/723406

#SPJ1

8 0
1 year ago
Jaxson buys ice cream and apples at the store. He pays a total of $24.81. He pays a total of $3.60 for the ice cream. He buys 7
Vadim26 [7]

Answer:

$3.03

Step-by-step explanation:

7x + $3.60 = $24.81

Subtract $3.60 from both sides of the equation:

7x + $3.60 - $3.60 = $24.81 - $3.60

7x = $24.81 - $3.60

7x = $21.21

Divide each side by 7:

(7x/7) = ($21.21/7)

x = ($21.21/7)

x = $3.03

3 0
3 years ago
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