draw the diagram
the distance (3 cm) divided by the radius (12 cm)
... is the cosine of half the subtended angle
In a circle of radius 12cm a chord is drawn 3cm from the centre. Find the angle subtended at the centre
4 answers
Answer
Work
Find the angle subtended at the center of a circle of radius 6.2cm by an arc of length 18.5cm
3 answers