What is the area of this polygon?

Mathematics

2 answers:

dalvyx [7]2 years ago

6 0

Step-by-step explanation:

The area of the polygon is 51cm².

exis [7]2 years ago

3 0

Answer:

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem . Here is what it means: Perimeter = the sum of the lengths of all the sides Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side

Step-by-step explanation:

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Homework (5)

adelina 88 [10]

Answer:

Step-by-step explanation:

Let's set the ratio as

7x : 9x

If you add all the states that border an ocean and do not, you will get 48 states (because Alaska and Hawaii are not part of the continental US, as they do not touch the "main" part of the country)

So, we can write this equation.

7x + 9x = 48

Simplify.

16x = 48

Divide both sides by 16.

x = 4

Now, find how many states border an ocean. In our ratio, the number of states that border an ocean was 7x. Substitute x = 4 into 7x

7 * x = 7 * 4 = 28

The number of states that border an ocean is 28.

I hope this helps! Feel free to ask any questions!

7 0

2 years ago