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?
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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.
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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.
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A
B
C
D
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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
.
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