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vivado [14]
3 years ago
15

draw an example of a triangle that has an area of 20 square units. Show that your triangle has this area

Mathematics
2 answers:
katrin2010 [14]3 years ago
6 0
Illustrative Mathematics


Solution

<span> Answers may vary. 

Techniques include "completing" the triangle with sides of length 4 and 10 and arguing that half of its area must be 20 square units, chopping off and relocating a chunk of the right triangle to create a rectangle whose area is 20 square units, and "completing" individual unit squares to create a total of 20 unit squares.


Hope this helps
</span>
Anna11 [10]3 years ago
5 0
For the base u could use 10 and the height 4 becuz the area of a triangle is .5bh
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Help someoneee!!!! <br> ill give a brainliest
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Answer:

-13.5

Step-by-step explanation:

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You would need to get the w by itself on one side so the easiest way to do so would be to divide both sides my -4/3.

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8 0
3 years ago
Please help me with 9 I really need it
MissTica

Answer:

605 boys

Step-by-step explanation:

If the ratio of boys to girls is 5:7

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we can plug this value into the ratio by doing something like:

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= x/847

Because the ratio has to be the same, we can substitute x for the number of boys and solve by the cross method or whatever you guys call it.

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The x in the middle is just to show the direction you are multiplying.

the 5 is multiplied by the 847 and the 7 is multiplied by x.

847 * 5 = 4,235

4,235  divided by 7 is 605

605 is your answer.

The cross method can be used in most situations.

* is used to represent multiplication btw

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2 years ago
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photoshop1234 [79]

Algebra is number 3 - You have subtracted the measure of angle HKI from the equation.

Transitive property of equality is number 2 - Because both pairs of angles equal 180 degrees, you can set them equal to each other.

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Angles forming a linear pair sum to 180 degrees is number 1 - 180 degrees is in the equations given and the angles all form linear pairs.

Hope this helps!! :)

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Answer:

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2 years ago
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