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SIZIF [17.4K]
3 years ago
13

Please help me. This is so confusing.

Mathematics
2 answers:
MrMuchimi3 years ago
6 0
<span>
The vertices of a polygon are given as follows: P(-2,4), Q(4,2), R(4,0); S(-12,0); k = 0.5 Find the coordinates of the vertex P' of the image after a dilation having the given scale factor. Type your answers as a coordinate pair in this format: (x,y)</span>
Mumz [18]3 years ago
3 0
If the center of dilation is the origin, you can just multiply each coordinate by the scale factor to find the new values.

P' will be (-1, 2)

If the center of dilation isn't the origin, my answer is invalid.
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Explanation:

First find the area of the whole piece of paper:
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Then find the area of the two semicircles, semicircle + semicircle = 1 circle:

Area of a circle= (radius squared)(pi):
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Subtract the area of the two semicircles from the whole paper area:
448-153.86 = 294.14


I hope this isn’t too confusing :)


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