Isosceles Triangle Calculations
Unknown Grade45 min
Learning Objective
I can calculate missing angles or side lengths in isosceles triangles.
Lesson Flow
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Angles in Isosceles Triangle
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Practice
7 questions • Short answer
Exit Ticket
“In isosceles triangle DEF, DE = DF. If angle E measures 70°, find the measure of angle F. In isosceles triangle PQR, PQ = PR. If angle P measures 34°, find the measure of angle Q. ”
Teacher Guide
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