By: Hope and Emily
Acute Angle- An angle in which the measure is between 0 degrees and 90 degrees.
Obtuse Angle- An angle that is more than 90 degrees but less then 180 degrees.
Straight Angle- An angle of 180 degrees.
Right Angle- An angle of 90 degrees.
Quadrilateral- A plane figure that has 4 sides and 4 angles.
Square- A rectangle that has 4 sides that are all the same length.
Rectangle- A parallelogram that has 4 right angles.
Rhombus- An equilateral parallelogram, making the shape of a square in a different way.
Trapezoid- A quadrilateral plane figure that has 2 parallel and to non-parallel sides.
Parallelogram- A quadrilateral with both sides parallel to each other.
Plane Figure-A two-dimensional shape.