Shape Angles in Polygons Angles in a Triangle Angle Reasoning Arc Length Area of a Sector Area of 2D Shapes Circumference and area of a circle Congruency Construction Invariant Points Loci Loci and Area Perimeter Pythagoras Theorem Rotational Symmetry Similarity Similar shapes – area and volume Transformations Trigonometry Volume Share this:TwitterFacebookLike this:Like Loading...