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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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(
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(
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√
(
(
−
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The result can be shown in multiple forms.
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3 0
3 years ago
Read 2 more answers
Tina is saving to buy a notebook computer. She has two options. The first option is to put $200 away initially and save $10 ever
Mamont248 [21]

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Step-by-step explanation:

Using the first statement we can generate the function y=10x + 200  and using the second statement we can also generate the function y = 30x + 100 . Now using the two equations solve for x and y to determine how many months they cost the same.

y = 10x + 200

y = 30x + 100  

Substitute the value of x in the first equation into the second equation.

30x + 100= 10x + 200   now solve for x

         -100            -100

30x = 10x + 100

-10x    -10x

20x = 100

x= 5  

This means in five months Tina will save the same amount. Now to find out how much the amount is, plot the value of x into one of the equations and solve for  y.

y = 10(5) + 200

y = 50 + 200

y = 250  

She will save $250 with either option.

7 0
3 years ago
the jones family wants to enclose their circular garden with a fence. to the nearest foot , what is the minimum length of fencin
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The answer is D. 393ft

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So if you do 62.5•2=125

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7 0
3 years ago
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3 years ago
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AlekseyPX

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