Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Measuring Angles with a Protractor
Read the protractor scale whose 0 touches a side, then open an angle to watch it turn from acute to right to obtuse.
by Anonymous
Parallel Lines and Angles
Tilt the transversal to compare corresponding and alternate angles, and see which ones change once the lines stop being parallel.
by Anonymous