Shapes Comparison (Sides & Angles):

QUADRILATERIALS - 4 SIDES & 4 ANGLES 5 click to expand contents

TRIANGLES - 3 SIDES & 3 ANGLES 3 click to expand contents

CIRCLE - 0 (STRAIGHT) SIDE & 0 ANGLE 1 click to expand contents

OPTIONAL: INTERESTING FACTS and MEMORIZATION TIP click to expand contents