Draw ∠ABC. How is it different from ∠BAC? Show with a figure. [3 MARKS]
Drawing figures: 2 Marks Reason: 1 Mark In ∠ABC we use two lines AB and BC to make ∠B whereas in ∠BAC we use lines BA and AC to make angle ∠A.
In the figure, ABC is a triangle in which ∠BAC=30∘. Show that BC is equal to the radius of the circumcircle of ΔABC, whose centre is O. [3 MARKS]