Angles and Triangles and Shapes

_____ angle: An angle with less than 90 degrees.

_____ Triangle: A triangle with one 90-degree angle.

________ triangle: A triangle with all sides and angles equal (each angle is 60 degrees).

_________ triangle: A triangle with two sides of equal length and two equal angles.

_______ triangle: A triangle with all sides of different lengths and all angles of different measures.

_______ triangle: A triangle with all three angles less than 90 degrees.

_______ angle: An angle that measures exactly 90 degrees.

________ angle: An angle that is greater than 90 degrees but less than 180 degrees.

______ angle: An angle that measures exactly 180 degrees.

_______ angles: Two angles that add up to 180 degrees.