27solving proportions notes & examplesphsmath.startlogic.com/.../notes/packets/wk4/wk4d3.pdf ·...
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A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
Alg 1 Warm Up Block Week 4
Solve. Show your work!
1. 2.
3. Mr. Swanson bought a package of 10 disposable razors for $6.30. He found that each razor lasted for 1 week. What was the cost per day?
Set up a proportion and solve.
4. 3.2 miles= ___ ft? 5. 720 hours = ___ days?
6. Find the missing side of the triangle using the Pythagorean Theorem
10'
6'x
7. A 25 foot ladder is leaning against a cylinder. The base of the ladder is 7 feet away from the base of the cylinder. How many feet tall is the cylinder if the ladder reaches the top?
8. Solve for y
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
27 Solving Proportions Notes & examples
1. 2.
3. 4.
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
Write a proportion to represent the situation, and solve the proportion to answer the question:
5. A band went to a recording studio and recorded 4 songs in 3 hours. How long would it take the band to record 9 songs if they record at the same rate?
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
notes
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
28 Proportions and Similar Figures Notes & examples
Similar figures have the same shape but are different sizes. You can use proportions to find missing side lengths in similar figures.
1. In the diagram, . How long is DE?
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
2. The sun's rays strike the building and the girl at the same angle, forming the two similar triangles shown. How tall is the building?
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
3. The scale of a map is 1 cm : 75 km. What is the actual distance between two towns that are 12 cm apart on the map?
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
Time for Skill Test 1, Quiz & Performance Task
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook
HW p 127: 19, 25, 29, 33, 34
p 134: 9, 11, 13, 17, 18
A1 w4d3 27 & 27 Proportions & Similar Figures.notebook