Similar Triangles Mirror Activity

Today in my MFM2P class we solved the problem How tall is the flagpole out front of the school? We made estimates of the height (act 1) before going outside to collect data in order to solve (act 2):Similar Triangles Mirror Activity - Flagpole

Most groups got an answer around 10m which seems pretty reasonable. This is one activity where we can’t do act 3 (unless I send a kid to climb up the flagpole w/ a measuring tape to drop down; probably not the best plan!).

Activity available here.

– Laura Wheeler (Teacher @ Ridgemont High School, OCDSB; Ottawa, ON

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