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Published byGeorge Caldwell Modified over 4 years ago

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1 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt Ratios/ Proportions Similar Polygons Similar Triangles Proportionality Theorems

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2 Simplify the ratio 5 ft : 20 in

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3 3 : 1

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4 A triangle’s angle measures are in the extended ratio of 1 : 3 : 5. Find the measures of the angles

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6 Solve the proportion:

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8 The ratio of two side lengths for the triangle is given. Solve for r.

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9 5

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10 Use the given areas to find XY

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11 15 in.

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12 Write a similarity statement

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Find the scale factor from FGHJK to ABCDE. Then find the value of x. 14

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15 Scale factor x = 12

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16 Find the perimeter of ABCDE

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17 Perimeter = 46

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18 Write a similarity statement for the two quadrilaterals

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20 Solve for x.

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21 x = 24

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22 Name the three postulates used to prove that two triangles are similar.

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23 AA~ SAS~ SSS~

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24 1. Are the triangles similar? Yes/No 2. If yes, write a reason. 3. If yes, write a similarity statement.

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25 1.Yes, they are similar 2.AA~ 3.

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26 Find the value of x that makes

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27 x = 7

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28 What reason would you use to prove that ?

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29 Either SAS~ or SSS~

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31 C. 80 feet tall

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32 Draw a picture illustrating the TRIANGLE PROPORTIONALITY THEOREM

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34 Find RQ. x

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35 RQ = 6

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36 Find AB.

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37 AB = 19.2

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38 Find the value of q.

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39 q = 9

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40 Find AB.

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41 AB = 9

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