Unit 8 · Polygons and Quadrilaterals
Unit 8 — Polygons and Quadrilaterals
Investigate polygon angle sums and the properties of parallelograms, rectangles, rhombi, squares, trapezoids, and kites — and use coordinate methods and midsegment theorems to prove quadrilateral classifications.
11 lessons7 learning objectives
Learning Objectives
Goal 1Apply the Polygon Interior and Exterior Angle Sum Theorems.
Goal 2Use properties of parallelograms to find missing measures.
Goal 3Prove a quadrilateral is a parallelogram.
Goal 4Apply properties of rectangles, rhombi, and squares.
Goal 5Apply properties of trapezoids and kites.
Goal 6Classify quadrilaterals using the hierarchy.
Goal 7Apply midsegment theorems for triangles and trapezoids.
Lessons