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gtnhenbr [62]
3 years ago
15

How can you find the area of a polygon that is not for which you know an area formula

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0

Answer:

See below.

Step-by-step explanation:

If it is a regular polygon then you can look up the formula or break it into shapes you do know the formula.

If it is irregular or a composite figure, break it into regular polygons which do have formulas to find the area. Here is an example:

Example:

Find the area of the composite figure by splitting the figure into two shapes - two rectangles.

One rectangle is 2 x 9 = 18.

The other rectangle is 2 x 4 = 8.

Together the area is 18 + 8 = 26.

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Evaluate.
kogti [31]
9/10 - 2/5 + 1/3

= 5/6 (Decimal:  0.8333333)


Subtract:
9/10 - 2/5 = 9/10 - 2 . 2/5 . 2
= 9/10 - 4/10 
= 9 - 4/10 
= 5/10 
= 1/2

The common denominator you can calculate as the least common multiple of the both denominators LCM ( 10, 5) = 10


Add: 1/2 + 1/3 = 1 . 3/2 . 3 + 1 . 2/3 . 2 
= 3/6 + 2/6 
= 3 + 2/6 

= 5/6



The common denominator you can calculate as the least common multiple of the both denominators LCM ( 2, 3) = 6

Answer in Lowest term is:  5/6 or Decimal:  0.8333333




Hope that helps!!!




7 0
3 years ago
La suma de dos números es igual a 16 y su diferencia es –4. ¿cuál es el número menor? *
blagie [28]

Explicación paso a paso:

a+b=16 +

a-b=-4

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2a=12

a=6

b=10

el menor vale 6

<h2>y porfavor branliest! :)</h2>
8 0
3 years ago
Find the solution to the system of equations by using a graphing calculator. Describe the steps you took to enter the informatio
Luden [163]

Answer:B.

Step-by-step explanation: I took the same class

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3 years ago
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oksano4ka [1.4K]

Answer:

inverse relation of x is f⁻(X) = (x+15)/-6

Step-by-step explanation:

7 0
3 years ago
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What is 3 1/3 as a percent?
Nikitich [7]

Answer:

333.3\%

Step-by-step explanation:

We want to express 3⅓ as a percentage.

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To express this as a percentage, we multiply by 100%

3 \frac{1}{3}  = 3.3333... \times 100\%

This multiplies to give us:

3 \frac{1}{3}  = 333.3\%

4 0
3 years ago
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