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In Exercises 8-10, use the diagram to find x.
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Solve the proportion.
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In Exercises 11-15, ABCD·- WXYZ:'
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12. Find the scale factor of WXY2 to ABCD.
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13. Find the values of s. t, and u.
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14. Find the perimeter of each polygon.
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15. Find the ratio of the perimeter of ABCD to the
perimeter, of 'WXYZ.
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Geometry
Chapter 8 Resource Book
Copyright © McDougal Littell Inc.
All rights reserved.
CHAPTER
NAME _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __
8
Review Chapter
CONTINUED
DATE----
Xlo
Are the triangles similar? If so, state the similarity and a
postulate or theorem that can be used to prove that the
triangles are similar.
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Chapter 6: Review of Word Problems
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Name:
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Date:
Block:
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As always - make sure you show your work!
1) The perimeter of a rectangle is 154 feet. The ratio of the length to width is 10: 1.
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he ratio of the measures of two supplementary angles is 5:3. Find the
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measures of the an Ie
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3) The ratio of the measures of the exterior angle of a triangle to the measure of the
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adjacent interior angle is 1:4. Is the triangle acute or obtuse?
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4) The area of a rectangle is 4320 square inches. The ratio of length to width is5:6.
Find the perimeter of the rectan Ie.
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5) You need to make 36 one-half cups bags of trail mix for a class trip. THe recipe
calls for peanuts, chocolate chips, and raisins in the extended ratio 5:1:4. How many
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cups of each item do you need?
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6) You plan on purchasing a new $25,000 vehicle. Recently, a friend bought a
$22,500 vehicle and paid an additional $1575 in sales tax. Assuming the same
sales tax rate applies, how much should you expect to pay in sales tax.
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7) Scale Model: You purchase a scale model of a train. The model states that the
scale is 1 inch: 5.4 feet.
a) If the model is 10 inches long, how long is the actual train?
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b) The actual height of the train is 13.5 feet, how tall is the model?
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8) Canadian Dollars: In November, 2005, the exchange rate of Canadian dollars
to American dollars was 1 to .85. A Canadian citizen paid $12.28 in American
dollars for lunch while visiting New York City.
a) What was the price of lunch in Canadian dollars?
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b) If the exchange rate were 1.28 Canadian dollars to 1 American dollar,
what would have been the cost in Canadian dollars?
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9) Flag Pole: In order to estimate the height, h of a flag pole, a 5 foot tall male
student stands so that the tip of his shadow coincides with the tip of the flag pole's
shadow. The scenario results in two similar triangles as shown in the diagram.
'trn PracUClJ fr;r Retake on Chapter 6 ·1,_01 ;!
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