Name_____________________________________________________________ Date___________________________ Chapter 6 Review Hint 1 L 5 1000 mL 1. Calculate each unit price. a) $4.99 for 6 bottles of juice $ per bottle b) $18.75 for 3 m of fabric $ /m c) $12.95 for 500 envelopes $ for 100 envelopes d) $3.75 for 1 L of stain $ /100 mL 2. a) Kaylee can buy 10 apples for $5.00 or a case of 40 apples for $18.00. Which is the better buy based on unit prices? Explain. b) Why might Kaylee decide not to buy the apples with the lower unit price? 3. Nathan is a landscaper. His garden-soil supplier gives a free bag for every 3 bags he buys. The regular cost of a bag is $6.77. Nathan bought 3 bags and got a 4th bag free. What is the unit price of 1 bag? 4. a) Last year Tim bought a garden shed for $700. This year he saw that the price was $728. How much was the increase? b) By what percent did the price increase? NEL Apprenticeship and Workplace 10 Chapter 6 Review 114 Name_____________________________________________________________ Date___________________________ 5. The regular price of a ceiling fan is $99. The fan is on sale for 30% off. What is the sale price of the fan? 6. A warehouse store sells memberships for $50.00 per year. There is a gas station at the store. • Claire can save about 10¢/L on gas if she has a membership. • Claire usually buys about 50 L of gas per week. Hint There are 52 weeks in a year. Suppose Claire buys the membership. How much would she save per year altogether? 7. Sumin wants to order a poster from a website in Japan. The price is ¥1250. The exchange rate to convert Japanese yen to Canadian dollars is 0.011. What is the poster price in Canadian dollars? 8. One Barbados dollar is worth C$0.512374. A company in Barbados offers Internet service for B$750 per year. a) Estimate the value of B$1 in Canadian dollars. b) Estimate the cost of 1 year of Barbados Internet service in Canadian dollars. NEL Apprenticeship and Workplace 10 Chapter 6 Review 115 Name_____________________________________________________________ Date___________________________ Chapter 7 Review 1. a) Measure /BAC and /ACB. You can label the measures on the triangle. A b) Calculate the measure of /ABC. ________ c) Bisect /ABC. Label its point of intersection with side AC as D. What is the measure of /ABD? ________ B C d) Calculate the measure of /ADB. ________ e) Which angle is supplementary to /ADB? What is its measure? /________ 5 ________ 2. Calculate the measure of each angle. a) The complement of an angle whose measure is 57° measures ________. b) The third angle of an isosceles triangle whose equal angles each measure is 42° measures ________. c) The supplement of an angle whose measure is 29° measures ________. 3. Name angles in pentagon PQRST. P Q a) an acute angle: /________ T b) a right angle: /________ c) an obtuse angle: /________ R d) a reflex angle: /________ 4. Hassan is taking a graphics class in Richmond. He needs to draw a regular hexagon. Complete his hexagon: • Copy /ABC at vertex A. • Copy /ABC at vertex D. • Measure AB. Draw sides AF and DE the same length as AB. • Connect points E and F. • Check your construction by measuring EF and /DEF. NEL Apprenticeship and Workplace 10 S A B C D Chapter 7 Review 132 Name_____________________________________________________________ Date___________________________ 5. Draw a triangle that has angles with measures of 110° and 35°. What is the measure of the third angle? 6. What are the measures of the angles in this triangle? How do you know? Q P S 37° 59° R 7. Tatjana lives in Baker Lake. She is cutting out a triangle from an uneven piece of cloth. What is the measure of each angle? How do you know? a) /s 5 T t 89° because 70° v . b) /t 5 because 65° 33° . c) /v 5 w y s x because . d) /w 5 because . e) /x 5 because . f) /y 5 because . NEL Apprenticeship and Workplace 10 Chapter 7 Review 133

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