ABC has coordinates A(-3, 1), B(1, 2) and C(-1, 4). Write the coordinates of the image in matrix form.
a dilation four times the original size

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step-by-step explanation:

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step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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