Indirect Measurement

This concept teaches students to use similar triangles and proportions to find measurements indirectly.

Grades 9 through 10 Material from CK-12

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Use ratio and rate reasoning to solve real?world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.


Solve problems involving scale drawings of geometric figures, such as computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.