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Here is a circle and a scaled copy of the circle with a scale factor of `2`. How does the circumference of the scaled copy compare to the circumference of the original circle?
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Dec 1, 2022
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Here is a circle and a scaled copy of the circle with a scale factor of `2`.
How does the circumference of the scaled copy compare to the circumference of the original circle?
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Answer:
So we know that C= 2×pi×r
Say the r of the first circle is 1 then C= 2pi
Now its dilated by a scale factor of 2 so the r=2, so the C=4pi
We notice
the
circumference
doubles
.
Aen Tan
answered
Dec 6, 2022
by
Aen Tan
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