Classify triangle by its angles.

Perry draws a regular hexagon. The total length of the sides is 48 feet. What is the length of one side?

Mrs. Donato drew a triangle with sides measuring 20 inches, 15 inches, and 15 inches. What type of triangle did she draw?

This quadrilateral has only one pair of parallel sides.

All three of this triangles angles are acute.

This quadrilateral has both pairs of opposite sides parallel and equal in length.

This quadrilateral is a parallelogram with acute and obtuse angles, and all the sides are the same length.

This quadrilateral is a rectangle with all sides the same length.

Two angles on a quadrilateral each measure 143˚. What is the measure of each of the other two angles?

One angle on a triangle measures 114˚ and another measures 42˚. What is the measure of the third angle, and what type of triangle is this?

Three angles on a quadrilateral measure 90˚. What is the measure of the 4th angle?

If a quadrilateral's angles measure 137˚, 43˚, 137˚, 43˚, what type of quadrilateral could this figure be?

All angles on a quadrilateral add up to -

All angles on a triangle add up to -

Two angles of a triangle are 60˚. What is the measure of the third angle?

A triangle is classified by its -

Every rectangle is a square.

Every square is a rectangle.