JAMB Mathematics 2024 Paper

Concept:The diagram shows construction of an angle by bisecting a standard angle.Explanation:First, a $60^\circ$ angle is constructed using a compass and ruler.Then, the angle is bisected, meaning it is divided into two equal smaller angles.Each half is given by:$$\frac{60^\circ}{2} = 30^\circ$$The construction marked T therefore represents an angle of $30^\circ$.Answer:The construction is for angle $30^\circ$.Correct option: B. $30^\circ$