Revision Note - Math - Measures, Shape and Space - Lines and Angles

Result: $a+b=180^\circ$

Reference: adj. $\angle$s on a st… Read

Result: $a+b+c+d=360^\circ$

Reference: $\angle$s at a pt… Read

1. Corresponding angles equal
   

   Condition: $a=b$

   Reference: c

1. Corresponding angles
   

   Result: $a=b$

   Reference: corr. $\an

Result: $a=b$

Reference: vert. opp. $\angle$s… Read