Wu Perpendicular Lines
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Pre Test
TU E RETS
59:17
Consider the incomplete paragraph proof
Grensa point on the perpendicular bisector 4 of MN.
Because of the unique line postulate, we can draw unique
line segment PM. Using the definition of reflection, PM can
be reflected over line i. By the definition of reflection, point P
is the image of itself and point N is the image of
Because refiections preserve length, PM = PN.
point N
point
segment PM
segment QM
K

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

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