📐 Geometry · Basics
Angle Relationships matching game
Tap an item on the left, then its partner on the right. Beat your best time. Matching games train quick recall, which is exactly what tests ask for.
The pairs (answer key)
Complementary angles ↔ Measures add to 90°
Supplementary angles ↔ Measures add to 180°
Vertical angles ↔ Opposite angles at a crossing; equal
Linear pair ↔ Adjacent angles that form a straight line
Angles around a point ↔ Measures add to 360°
Angle bisector ↔ Splits an angle into two equal angles
m∠ABC ↔ The measure of angle ABC, in degrees
Adjacent angles ↔ Share a vertex and a side, with no overlap