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3 years ago

6

Could someone please help me with this problem? I don't understand.

1 answer:

sasho [114]3 years ago

4 0

Try dividing 150 by 2 1/2 and your answer would be 6.25 you may want to double check that math though

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Find the area of this irregular polygon.

Rainbow [258]

Answer:

970m^{2}

Step-by-step explanation:

This polygon can be divided in two figures: one is a triangle, an the other one is a square.

We'll begin calculating the triangle's area, using the following formula:

$At= \frac{b.h}{2}$

Where:

$H= height = 30 m$

$B = 9 m + 9 m + 20 m = 38 m$

As you can see, I added both sides of the triangle that measure 9 m and also the lenght of the square that measures 20 m! This added up is what the base of the triangle measures on total.

$At= \frac{38 m .30 m}{2}$

$At= \frac{1140 m^{2} }{2}$

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Now we are going to calculate the square's area, that is much more simple:

$As= L^{2}$

Where:

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