Isosceles Triangle Calculations

Unknown Grade45 min

Learning Objective

I can calculate missing angles or side lengths in isosceles triangles.

Lesson Flow

Watch Video

5 min

Angles in Isosceles Triangle

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

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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  • Answer keys for all questions
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