Lesson: Angles in Quadrilaterals Mathematics

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In this lesson, we will learn how to investigate the sum of the measures of angles in a quadrilateral and find the measure of unknown angles.

Lesson Plan

Students will be able to

  • investigate and measure angles in quadrilaterals and conclude that they add up to 360 degrees,
  • recognize that quadrilaterals can be divided into two triangles, each having a total measure of 180 degrees,
  • find the measure of an unknown angle in a quadrilateral.

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