Complete Each Section, and Show Your Work

Homework 17Similarity S

Name:______Date:______Period:______

Complete each section, and show your work.

Monday: Similar and Percent Practice

Use the picture on the right to answer number 1 and 2

1. Find the approximate height of the scaffold if the person is

a. 6 feet tall

b. 5 feet 6 inches tall

2. Find the approximate height of the person if the scaffold is

a. 28 feet tall

b. 36 feet tall

3. What is the 5% sales tax on a $14.00 compact disc?

A. $0.07 B. $0.70 C. $7.00 D. $70.00

4. What is the 15% service tip on a $25.50 dinner in a restaurant?

F. $1.70 G. $3.83 H. $5.10 J. $38.25

5. Multiple Choice What is the 28% tax on a $600,000 cash prize?

A. $16,800 B. $21,429 C. $168,000 D. $214,290

6. Multiple Choice What is the 7.65% Social Security/Medicare tax on a paycheck of $430?

F. $3.29 G. $5.62 H. $32.90 J. $60.13

Tuesday: Similar and Scaling

7. What does it mean if 2 shapes are similar?

8. What does it mean if 2 shapes are congruent?

9. Suppose you copy a picture of Russell Wilson dumping Gatorade on Coach Carroll with a factor of 200%. How will the side lengths, angle measures, and perimeter of the copy compare to those of the original?

10. Suppose you copy a picture of Peyton Manning’s face when the ball flew by him with a factor of 50%. How will the side lengths, angle measures, and perimeter of the copy compare to those of the original?

11. Suppose you copy a picture of Darth Vader with a factor of 75%. How will the side lengths, angle measures, and perimeter of the copy compare to those of the original?

Wednesday: Review the Wumps

In class today, you work on a project creating the Wump family and various imposters that want to be part of the family. For this practice part, you are going to make some mouths and noses of some possible Wumps. Fill in the table like we did in class, then graph.

After graphing, answer these questions:

1. Who is related to Mug and who is the imposter? ______
2. For the family member, how much larger are the side lengths and perimeter compared to Mug?

______