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Ksju [112]
2 years ago
13

HELP ME PLEASE ILL GIVE Y BRAINKY AND MORE POINTS

Mathematics
1 answer:
Alla [95]2 years ago
6 0

Answer:

8.5 units ^2

Step-by-step explanation:

Area of whole rectangle   3 x 6 = 18  units^2

  now subtract the three right triangles  

     1/2* 2x5    +     1/2 * 1x3     +     1/2 * 1x6    =  9.5 units^2  

18 - 9.5 = 8.5  units^2     < =====area of  inscribed triangle in the rectangle

     

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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
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KATRIN_1 [288]
The answer is A. for this, you have to set up a system of equations. the first one will be the area equation. since you know area=length x width, your equation will be LxW=50. the next equation is L=2W, since the length is two times the width. then, plug in 2W for the L in the other equation and you get 2W^2=50. divide by 2 and get W^2=25. square root both sides and you get W=5. plug back into the other equation to find L=10. Then, add the sides of the rectangle for the perimeter. 10+5+10+5=30.
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