Study of shapes and spatial relationships. Play Geometry trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play.
Think you know the answers? Play to find out.
This is the distance around the outside of a circle.
This four-sided shape has four right angles and four equal sides.
This line segment connects the center of a circle to any point on its edge.
Two lines that never intersect, no matter how far they extend, are called this.
This shape is perfectly round with every point on its edge equidistant from the center.
This type of angle measures less than 90 degrees.
This type of angle measures more than 90 degrees but less than 180 degrees.
Two lines that meet at exactly 90 degrees are described by this term.