Honors Geometry

Section 8.2Problem Solving in Geometry

with Proportions

Please select a Team.

1 2 3 4 5 6 7 8 9 10

0 0 0 0 000000

1. Team 1

2. Team 2

3. Team 3

4. Team 4

5. Team 5

6. Team 6

7. Team 7

8. Team 8

9. Team 9

10.Team 10

Response Grid

Countdown

10

VocabThe geometric mean of two positive numbers a and b is the

positive number x such that , or a x

x b x a b

Examples 1 & 2

Find the geometric mean of the numbers 4 and 94

9

x

x

2 36x 6x

Find the geometric mean of the numbers 54 and 192

54

192

x

x

2 10368x 10368x

101.8x

4 2592x 2 2592x

2 9 288x 6 288x

6 144 2x 72 2x

105

210

105 2102 22050x

148.5 mx 25 882x 5 882x

5 9 98x 15 98x

15 49 2x 105 2x

612 10

12 60

5 12

5

4

.

a. b. c. d.

0 000

a.

b.

c.

d. .

.A

.B

.C

.D

CHECKPOINT

32

3

56

3

11

6

Response Grid

Countdown

15

10

5.5

8

10

5.5

8

10 8 5.5

4.4

4.4

Team Scores100 Team 1

40 Team 8

40 Team 9

28.57 Team 10

25 Team 4

0 Team 6

0 Team 2

0 Team 3

0 Team 5

0 Team 7

• End

Honors Geometry

Section 8.2Problem Solving in Geometry

with Proportions

Vocab

Find the geometric mean of the numbers 4 and 9

Find the geometric mean of the numbers 54 and 192

Examples 1 & 2

4