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IM 7.7.6 Lesson: Building Polygons (Part 1)

Author:GeoGebra Classroom Activities, IM 6 – 8 Math, IM 6 - 8 Math

Decide whether each equation is true or false.

Select all that apply
  • A
  • B
Check my answer (3)

Explain your reasoning.

Select all that apply
  • A
  • B
Check my answer (3)

Explain your reasoning.

Select all that apply
  • A
  • B
Check my answer (3)

Explain your reasoning.

Select all that apply
  • A
  • B
Check my answer (3)

Explain your reasoning.

Use the segments in the applet to build several polygons, including at least one triangle and one quadrilateral.

After you finish building several polygons, select one triangle and one quadrilateral that you have made. Measure all the angles in the two shapes you selected. Note: select points in order counterclockwise, like a protractor. List the angle measures.

Using these measurements along with the side lengths as marked, draw your triangle and quadrilateral as accurately as possible on the grid.

Diego built a quadrilateral using side lengths of 4 in, 5 in, 6 in, and 9 in. Build such a shape.

Is your shape an identical copy of Diego’s shape? Explain your reasoning.

Jada built a triangle using side lengths of 4 in, 5 in, and 8 in. Build such a shape.

Is your shape an identical copy of Jada's shape? Explain your reasoning.

Han built a polygon using side lengths of 3 in, 4 in, and 9 in. Build such a shape.

What do you notice? 

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