What do we call a 90 degree angle?
What is a right angle.
What do we call the point at which two sides of a shape meet?
What is an angle?
What do we call an angle less than 90 degrees?
What is an acute angle.
Name 3 polygons that are not quadrilaterals.
Triangle, pentagon, hexagon, octagon, etc.
A quadrilateral with two sets of parallel sides.
What is a parallelogram?
What do we call an angle that is greater than 90 degrees?
What is an obtuse angle.
What is true about ALL quadrilaterals?
What is "They all have 4 sides."
True or False...All polygons with 4 equal sides are squares.
False, a rhombus also has 4 equal sides
True or false...all angles on a rhombus are always equal?
False.
What is the name for ALL shapes that have only straight sides and no curves.
What is a polygon?
A four-sided parallelogram with 4 right angles.
What is a rectangle? OR What is a square?
True or False, all triangles that have 3 equal sides must have a right angle.
False, triangles with 3 equal sides do NOT have a right angle.
True or false, triangles CAN have a right angle?
True, but only one.