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12345 [234]
3 years ago
15

HELP :(

Mathematics
1 answer:
puteri [66]3 years ago
3 0
Someone is answering the question.
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HELP MARKING BRAINLIEST EXTRA POINTS !!
Scrat [10]

Answer:

  • The quadrilateral is a rectangle
  • Perimeter=8\sqrt{2} \,\,Unit
  • Area=6\,\,sq.unit

Step-by-step explanation:

Given,

A=(0,0)\\B=(1,1)\\C=(4,-2)\\D=(3,-3)

Now,

Slope\,\,for\,\,AB=\frac{1-0}{1-0} =1\\\\Slope\,\,for\,\,CD=\frac{-3+2}{3-4} =1\\\\Slope\,\,for\,\,AD=\frac{-3-0}{3-0} =-1\\\\Slope\,\,for\,\,BC=\frac{-2-1}{4-1} =-1\\\\So,AB||CD\,\,and\,\,AD||BC

AB=\sqrt{(1-0)^2+(1-0)^2}=\sqrt{2}\\BC=\sqrt{(4-1)^2+(-2-1)^2}=3\sqrt{2}\\CD=\sqrt{(3-4)^2+(-3+2)^2}=\sqrt{2}\\AD=\sqrt{(3-0)^2+(-3-0)^2}=3\sqrt{2}\\\\So,\,\,AB=CD,AD=BC\\The\,\,quadrilateral\,\,is\,\,a\,\,rectangle

Perimeter=2*(AB+AD)=2*(BC+CD)\\=2*(\sqrt{2}+3\sqrt{2})=8\sqrt{2} \,\,Unit

Area=AB*AD=BC*CD=\sqrt{2} *3\sqrt{2}=6\,\,sq.unit

Hope you have understood this.....  

ask me if you have any confusion.....  

if you liked it pls mark it as the brainliest

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3 years ago
Plz answer 10, 7, 12, 8, 13, 9
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ANSWER CORRECT FOR BRAINLIEST - 10 POINTS
zhenek [66]

Answer:

Step-by-step explanation:

/////

ha

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What is the median of the following numbers: 9, 10, 4, 6, 3, 7, 8, 2, 5. 54 8 7 6
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The median of the numbers would be 7.5
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Find the area of the following shape,
lord [1]
\bold{ANSWER:}
125.71 cm^2

\bold{SOLUTION:}

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