Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:
Re: Major Arc..Minor Arc [#permalink]
05 Jul 2009, 23:33
Minor arc BC = x Then Minor arc AB becomes 2x (AB = twice BC) Thus major arc AC becomes 6x (AC = three times AB) While total arc is 360 degrees than x becomes 40; i.e. BC=40 AB=80 AC=240 BCA angle of triangle sees the arc AB. So the angle BCA = 80/2=40 degrees