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Phoenix [80]
3 years ago
13

Determine the transformation given the preimage ΔABC where A(1, 0), B(6,−7), and C(0,−4) and the image of ΔA′B′C′ where A′(0,−1)

, B′(−7,−6), and C′(−4, 0).
Mathematics
1 answer:
Kazeer [188]3 years ago
7 0

Answer:

rotation of 270°

Step-by-step explanation:

Consider the coordinates of of preimage and image of ABC

A(1, 0 ) → A'*0, - 1 )

B(6, - 7 ) → B'(- 7, - 6 )

C(0, - 4 ) C'(- 4, 0 )

What we note is the x- coordinate of the image is the y- coordinate of the preimage and the y- coordinate of the image is the negative of the x- coordinate of the preimage, that is

(x, y ) → (y, - x )

This is equivalent to a counterclockwise rotation about the origin of 270°

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Answer:

m∠E= 37°

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Step-by-step explanation:

Total angle value: 180°

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Hope this helps! Have a nice day :)

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Express the ratio as a fraction in simplest form 18 oz to 3 cups
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Answer:

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3 years ago
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Answer:

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Step-by-step explanation:

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