1. Math 4-7: Indirect Measurement
Objective: How to solve problems involving similar triangles.

2. Vocabulary
indirect measurement – a technique using proportions to find a measurement (hard to measure)
shadow reckoning

3. Shadow Reckoning Indirect Measurement
two objects and their shadows form two sides of similar triangles
Indirect Measurement
no shadows – use similar triangles
use arc symbols to match corresponding angles

4. Assignment 4-7 PS (a) Pg. 190 (6-12e) Graphing Activity – due 10/26
Quiz: Lessons 4-7 – 10/26
Test: Chapter 4 – 10/28