Classifying Quadrilaterals and Triangles

Front

A triangle with all angles less than 90 degrees and all sides of equal length

Back

equilateral acute triangle

Front

A triangle with one 90 degree angle and two sides of equal length

Back

isosceles right triangle

Front

A triangle with one angle over 90 degrees and no sides of equal length.

Back

Scalene obtuse triangle.

Front

What attributes do the shapes A, D, and E shown have in common?

Back

They each have 4 right angles each

Front

What attributes do the shapes C, and F have in common?

Back

They each have 4 right angles and 4 sides of equal length

Front

What attributes does shape B have? Options: 4 sides of equal length, 4 right angles each, 4 right angles and 4 sides of equal length

Back

4 sides of equal length

Front

What attribute does A, B, D, and F have in common?

Back

They each have 3 sides

Front

What attribute does B, C, D, and E have in common?

Back

They each have at least 1 right angle

Front

What attribute does B and D have in common?

Back

They each have 3 sides and at least 1 right angle

Front

What attributes do shapes C and D have in common?

Back

They each have 4 sides and exactly 1 pair of parallel sides