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Indirect Measurement * Using Similar Right T riangles

Indirect Measurement * Using Similar Right T riangles. Ms. DeFreese. Why use indirect measurement?. You can often use similar triangles to measure quantities in the real world that would be extremely difficult and time consuming to measure directly.

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Indirect Measurement * Using Similar Right T riangles

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  1. IndirectMeasurement *Using Similar Right Triangles Ms. DeFreese

  2. Why use indirect measurement? • You can often use similar triangles to measure quantities in the real world that would be extremely difficult and time consuming to measure directly. • Also, if you want a brief picture of how big you want certain buildings to be, you could use indirect measurement to plan it out.

  3. Using Similar Right Triangles to find the size of objects that would be difficult to measure by other means. Mirror Method Shadow Method

  4. A flagpole casts a shadow of 10 ft, and you cast a shadow of 5 ft. If you are 6 ft. tall, what is the flagpole’s height? Step 1: draw a diagram based on what you know x 6’ 5’ 10’

  5. Step 2: Create a Proportion x 6’ 5’ 10’

  6. Step 3: Solve the Proportion 5x 5x = 60 x x = 12 ft 60 6’ 5’ 10’

  7. The flag pole is 12 ft. tall x 6’ 5’ 10’

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