Math 4-7: Indirect Measurement

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Presentation transcript:

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

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

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

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