Quadrilaterals
An angle that is not straight up and down. It is less than a right angle or less than 90 degrees.
What is an acute angle.
Are all quadrilaterals called parallelograms?
No. Quadrilaterals have 4 sides. Parallelograms are quadrilaterals, but they must have opposite sides that are parallel.
Name a plane (2D) figure.
What is a triangle, square, rectangle, circle, parallelogram.
What is a one way a rhombus and a square are different?
What is...A square must always have right angles. A rhombus does not always have to have right angles. A rhombus has 4 equal sides, so it can be a square, but not all rhombuses are squares.
What is a scalene triangle?
A triangle with no equal sides