Question
A CHORD 9CM LONG SUBTEND AN ANGLE OF 30DEGREE AT THE CENTRE OF THE CIRCLE,CALCULATE THE RADIUS OF THE CIRCLE.
Answers
oobleck
Draw the diagram. It should be clear that
4.5/r = sin 15°
r = 17.39
4.5/r = sin 15°
r = 17.39
Aishat
The answer is 17.4cm