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

2 Simplify the ratio 5 ft : 20 in

3 3 : 1

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.

9 5

10 Use the given areas to find XY

11 15 in.

12 Write a similarity statement

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

15 Scale factor x = 12

16 Find the perimeter of ABCDE

17 Perimeter = 46

18 Write a similarity statement for the two quadrilaterals

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20 Solve for x.

21 x = 24

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

23 AA~ SAS~ SSS~

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

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

26 Find the value of x that makes

27 x = 7

28 What reason would you use to prove that ?

29 Either SAS~ or SSS~

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31 C. 80 feet tall

32 Draw a picture illustrating the TRIANGLE PROPORTIONALITY THEOREM

33

34 Find RQ. x

35 RQ = 6

36 Find AB.

37 AB = 19.2

38 Find the value of q.

39 q = 9

40 Find AB.

41 AB = 9

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