Shapes and Designs

True or False. These shapes are all polygons.

What is the area (in square units) of the triangle?

What is the area (in cm units) of the triangle?

What is the area (in square units) of the parallelogram?

True or false. These shape are not polygons.

A _______________ that has all of is sides equal and all of its angles equal.  

• Regular Polygon

• Rectangular Polygon

• Triangle

• Transversal

Tessellation?

• True

• False

Would the octagon and square tessellate?

• No; two octagons and one square would not meet at each vertex

• Yes; two octagons and one square meet at each vertex
  135+135+90=360

• Yes; two octagons and one square meet at each vertex 130+130+100=360

• Yes; two octagons and one square meet at each vertex; 140+140+80=360

Find the value of X

• 112°

• 116°

• 90°

• 244°

In a tessellation, the measures of the angles that meet at each vertex must add up to 360 degrees.

• True

• False