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aleksklad [387]
3 years ago
6

Suppose you are given the coordinates of the vertices of a polygon. What steps could you take to solve a problem involving the p

olygon's area?
Mathematics
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

  • you graph the co-ordinates given the vertices of all the co-ordinates on the x- axis and y- axis .
  • use the co-ordinates to find the length of each side.
  • you can count the boxes in the graph to give the length of each side
  • or look at the coordinates with the same x and y values and subtract to get the length.
  • find the area of the polygon based on the shape if its is a square or rectangle

Step-by-step explanation:

Suppose you are given the coordinates of the vertices of a polygon

  • you graph the co-ordinates given the vertices of all the co-ordinates.
  • use the co-ordinates to find the length of each side.
  • you can count the boxes in the graph to give the length of each side
  • or look at the coordinates with the same x and y values and subtract to get the length.
  • find the area of the polygon based on the shape if its is a square or rectangle
choli [55]3 years ago
4 0
Well,

The first thing you should do is to graph the coordinates.  Once you have graphed the coordinates, you should find the length of each side by using the distance formula given here:

D= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

You would then proceed to use standard geometry to find the area of the polygon.
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2. A teacher asked his class of 20 students, "What is your age? Their responses are shown in the dot plot below.
Karolina [17]

Answer:

Yes, average does represent the centre of this data.

Average = 15.9

Step-by-step explanation:

As this question is not complete and not correctly written. Let's try to find an answer for this question.

Total number of Students = 20 = n

and we are given this data:

14, 15, 17, 18, 16.

which is just five entries and total number of students are 20. 15 entries are missing in this questions. So, let's add our own values into this question.

New set of entries for 20 students.

1. 14

2. 15

3. 17

4. 18

5. 16

6. 19

7. 17

8. 16

9. 17

10. 17

11. 15

12. 20

13. 14

14. 17

15. 18

16. 19

17. 13

18. 20

19. 17

20. 16

So, let's calculate the average of these numbers.

Average = Sum of all entries/ Total number of entries.

Average = 318/20

Average = 15.9

So, the average age of all the students of class is 15.9.

Let's calculate median:

For median , data must be arranged in a order from least to greatest number. Median is a number from that data which is at half way. In case of odd numbers, it is easy to identify median because there is only one number. and in case of even numbers, median is the average of the two middle numbers. So, here we have even numbers and median is the average of two middle numbers = 17 + 17/2 = 17

Median = 17

Yes, average does represent the centre of this data.

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3 years ago
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Answer:

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