Vocab
Square
what is a plane figure with four equal straight sides and four right angles ?
Triangle
What is a plane figure with three straight sides and three angles ?
Rectangle
What is a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square?
Circle
What is a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center) ?
Pentagon
a plane figure with five straight sides and five angles.