Learn the Angles!
Every triangle has 3 corners. The angles inside always add up to 180°. Try dragging the sliders to change two angles — watch the third one fix itself!
Tip: If you know two angles, subtract their sum from 180° to find the third!
Every triangle has 3 corners. The angles inside always add up to 180°. Try dragging the sliders to change two angles — watch the third one fix itself!
Tip: If you know two angles, subtract their sum from 180° to find the third!