lockshernostaw lockshernostaw

09-12-2017
Mathematics

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If we translated circle B as follows Center (x, y) → (x + 2, y + 7), and dilated the circle by a scale factor of 12, find the area of the new circle.

Round to the nearest hundredth.

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tynollette tynollette

09-12-2017

translating a circle doesn't change the area, but dilating does.
whatever the area of circle B is, the dilated circle has an area 12² times larger, that is, the dilated circle is 144 times the area of circle B.

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