WOULD RUST

TOPIC Area

What Happened to Mr. Meter When Mrs. Meter's Mother Flew in for a Visit?

Cross out the box containing each correct answer. When you finish, write the letters from the remaining boxes in the spaces at the bottom of the page. I. Find the PERIMETER and the AREA of each parallelogram.

12

I

0.7 Solve.

7 The base of a parallelogram is 10 in. 8 The height of a parallelogram is 4.5 cm. The height is 2 in. more than half the The base is the height. What is base. Find the area. the area?

9 The area of a parallelogram is 60 10 The area of a parallelogram is 375 The height is 5 How long is the The base is 25 Find the height. base?

MIDDLE SCHOOL MATH PIZZAZZ! BOOK D Creative Publications

4.1 Area

NOTE: Units of measurement were omitted in the answer columns. Students are asked to fill in the correct unit for each answer chosen. In this way, they should become more aware of the units involved.

o

D-57 TOPlC Renew Parallelograms and and

ANSWERS

What Happens When the Smog

Lifts in California?

Find the AREA and the PERIMETER each triangle below. Look for both answers in the rectangle. Shade in each area containing a correct answer.

c m 7 cm 25 cm 8.2 cm 10 m 22 cm 12.4 15 , , cm _{3 m} 1.5 4.1 Area01 D56

What G a m e Did Like to Play?

Do each exercise below. your answer in the answer columns and notice the letter next to it. Look for this lener in the string of letters near the bottom of page and CROSS IT OUT each time appears. When you finish, write the remaining letters in the rectangle at the of page. I. Find the area of each trapezoid.

6 in. 16 in. 3.2 cm 7 2.8 m 9 = 70 h 5.0 m h I , 2

An artist designed a base for one of his sculptures with the dimensions shown. The top and bottom are rectangles. The sides are trapezoids.

Find the area of front face Find the area of the side lace (12 cm base).

cm 20 cm

1.400 1,250 4.5

Answer to puzzle:

ANSWERS

D-92

MIDDLE SCHOOL MATH PIZZAZZ! BOOK D Creative Publications

Area TOPIC

How D o You G e t a One-Armed Monkey

Down From a Coconut Tree? Solve each problem. Use 3.14 for n. Find your answer and cross out the letter next to it. When you finish, the answer to the title question will remain.

Find the diameter of a circle if the circumference is 8 cm. Round to

the nearest tenth.

2 Find the diameter of a circle if the is 24.5 m. Round to

the nearest tenth. 7

3. The largest living thing on earth is a sequoia tree named the "General Sherman." The circumference its trunk is about 82 it.

Find the diameter of the trunk to the nearest whole number.

A revolving water sprtnkler sprays water in all directions to a distance of 25 it. What area does it cover? Round to the nearest 10 5. Pizza Mind Pizza sells a large pizza with a diameter of 14 in. and a

medium pizza with a diameter of 11 in. Find the following to the

nearest whole number: A. The area of the large pizza.

The area of the medium pizza. C. How much larger is the large pizza?

6. Claus plans to have a model train running in a circle around his holiday tree. How many feet of track will he need if the diameter of

9.5 it? Round to the nearest whole number.

7. A record has a radius of 15 cm. The label

has a radius of 6 cm. Find the following to the nearest tenth:

A. The area of the record (including the label). The area of the label. C. The area of the record that is

not covered by the label.

8. The diameter of a hoop is 18 in. The circumference of a

basketball is 30 in.

A. Find the diameter of the basketball. Round to the nearest tenth.

How much less is the diameter of the basketball than the diameter of We hoop? ,

9. A circle is cut out of a of plywood that is 10 in. square.

The scraps are thrown

A. Find the area of the circle. 10 in. How many square inches of

plywood are thrown away? TOPIC

NOTE: Units of measurement were omitted in the answer columns. Students are asked to fill in the correct unit for each answer chosen. In this way, they should become more aware of the units involved.

Why a Like an Airline?

Round each answer to the nearest hundredth (if necessary) and find it in the appropriate answer column. Use 3.14 for n. Fill i n the correct unit of measure for each answer you choose. Write the of the exercise in the box containing the number of the answer.

Answers 4 - 5: 24.930 2.54 0.9 690.5 2.91 1. A circle has a radius of 12 in. Find:

The diameter of the circle. . The circumference of circle ,

The area of the circle. 2. A circle has a radius of 4.4 cm. Find

The diameter the circle. The circumference of the circle. The area of the circle. 3. A circle has a diameter of 60 m.

The radius of the circle The circumference of the circle. The area of the

4. A circle has a diameter of 1 8 km. Find.

The radius of the circle.

Answers - 3: 61.43 75.36 172.4 2.826 5.65 0.87 circumference circle. The area of the

5. Solve.

Jack's COW is to a beanstalk with a piece of rope that IS long. What is the area of circle in which the cow can graze?

T A round game table has a diameter of m. How much plastic is needed to cover the top of this fable? S The diameter of the earth at the equator is about 8.000 mi

Based on this figure, far is around the

Radio station KROQ broadcasts in all directions lo a distance of 40 mi. How many square are the statio L WORLD RECORD: The world's largest Ferris Wh

London in 1897 The wheel had a radius of

you travel in one tum of wheel?

TOPlC and Area

25.51 188.4

SCHOOL MATH PIZZAZZ! BOOK D Creative Publications

TOPIC a

What And Comes In

Find the surface area of each figure. Cmss out the box containing each coned answer. you finish, the letters from the remaining boxes in the spaces at the bottom of the page.

146 22.6 ma ANSWERS 2.0 m _{12 cm} 5 cm 6 cm 4 cm 70 cm

4.3 cm Find the total surface area of each cylinder. 10 m

h 8 in. h 2.6 m