Videos, worksheets, stories and songs to help Grade 8 students learn about indirect measurement (using similar triangles).

Indirect Measurements
Apply concepts of similar figures to solve indirect measurement problems

Intermediate Concepts of Indirect Measurement
Learn to use concepts of proportions to solve problems in indirect measurement

Advanced Concepts of Indirect Measurement
Learn to use concepts of proportions to solve problems in indirect measurement

Indirect Measurement
:
Indirect measurement is a method of using proportions to find an unknown length or distance in similar figures.
Two common ways to achieveindirect measurement involve
(1) using a mirror on the ground and
(2) using shadow lengths and find an object's height.
Method 1 measures the person's height and the distances between the person, mirror, and object.
Method 2 measures shadows and the person's height.

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