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gizmo_the_mogwai [7]
2 years ago
6

Quadrilateral CDEF is dilated by a scale factor of į to form quadrilateral C'D'E'F'.

Mathematics
1 answer:
Kobotan [32]2 years ago
7 0

Given:

CDEF is dilated by a scale factor of \dfrac{3}{4} to form the quadrilateral C'D'E'F'.

To find:

The measure of side E'F'.

Solution:

If a figure is dilated by a scale factor of k, then the side of dilated figure is k times of corresponding side of original figure.

CDEF is dilated by a scale factor of \dfrac{3}{4} to form the quadrilateral C'D'E'F'. So,

E'F'=\dfrac{3}{4}\times EF

From the given figure it is clear that EF=12. So,

E'F'=\dfrac{3}{4}\times 12

E'F'=9

Therefore, the measure of side E'F' is 9 units.

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olga2289 [7]

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The line we require had also a slope of -5/2 because it is parallel to the first line and it also passes through the point (-2, 4). So:

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