SSS = three sides are equal
AAS = two angles and one corresponding side are equal
SAS = two sides, and one included angle equal
( angle must be between the equal sides )
RHS = Right angle, hypotenuse and a side are equal
Opposite sides of a parallelogram are equal
Side …. is common to both triangles
Tangent meets radius at 90 degrees
both a radius
AB = BC , B is midpoint of AC
Lengths of equilateral triangle are equal