Perimeter and Area of a Right Triangle

Make sure the coordinates are right when calculating distances. Given a right triangle on the coordinate plane, pupils determine the perimeter and the area. The scholars calculate the length of each side using the coordinates of the vertices.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Lead a discussion on what learners must find to calculate areas of right triangles
Classroom Considerations
  • Class members must be able to take square roots of perfect squares
  • The class should know how to find the distance between two points on the coordinate plane
  • Includes descriptions of misconceptions
  • Provides suggested instructional strategies for struggling individuals
  • None
Common Core