Question

In the figure the centre of the circle PAB is O and OAB is an equilateral triangle the measure of the APB will be

Answer 1

Answer:

As OAB is an equilateral triangle

angleAOB is 60 degree

ie, the arc AB makes angle AOB60 degree at the centre

so the same arc makes an angle

at the circumference of the circle angleAPB 60/2=30 degree

LAPB = 30 degree. Ans