3, Lesson 14, Unit 3, Grade 8, EngageNY icon
Instructional Activity

Example 1

Lesson 14. Unit 3. Grade 8 EngageNY

EngageNY7 min(s)

This Instructional Activity is a part of the Lesson 14, Unit 3, Grade 8. To maintain the focus of the lesson, allow the use of calculators in order to check the validity of the right angle using the Pythagorean theorem. The numbers in the diagram below indicate the units of length of each side of the triangle. Is the triangle shown below a right triangle?

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