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vovikov84 [41]
3 years ago
6

I'm doing some maths homework and need some help. It's Pythagorean

Mathematics
2 answers:
VikaD [51]3 years ago
8 0

Answer:

Step-by-step explanation:

Rainbow [258]3 years ago
6 0
What is the question? Pythagorean is not too hard. a^2 + b^2 = c^2
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krek1111 [17]
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Step-by-step explanation:

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aalyn [17]

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Please help me<br> Show your work
GrogVix [38]

<u>ANSWER TO PART A</u>

The given triangle has vertices J(-4,1), K(-4,-2),L(-3,-1)


The mapping for rotation through 90\degree counterclockwise has the mapping


(x,y)\rightarrow (-y,x)


Therefore

J(-4,1)\rightarrow J'(-1,-4)


K(-4,-2)\rightarrow K'(2,-4)


L(-3,-1)\rightarrow L'(1,-3)


We plot all this point and connect them with straight lines.


ANSWER TO PART B


For a reflection across the y-axis we negate the x coordinates.


The mapping is



(x,y)\rightarrow (-x,y)


Therefore

J(-4,1)\rightarrow J''(4,1)


K(-4,-2)\rightarrow K''(4,-2)


L(-3,-1)\rightarrow L''(3,-1)


We plot all this point and connect them with straight lines.


See graph in attachment







7 0
3 years ago
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