8. In Fig. 9.7, if PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then ∠OAB is equal to 8. In Fig. 9.7 if PA and PB are tangents to the circle with centre O such that ∠APB = 50° then ∠OAB is equal to July 5, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related If tangents PA and PB from a point P to a circle with centre O are inclined to each other at angle of 80 degree, then ∠POA is equal to:5. In Fig.6.3, two line segments AC and BD intersect each other at the point P such that PA = 6 cm, PB = 3 cm, PC = 2.5 cm, PD = 5 cm, angle APB = 50° and angle CDP = 30°. Then, angle PBA is equal to3. From an external point P, two tangents, PA and PB are drawn to a circle with centre O. At one point E on the circle tangent is drawn which intersects PA and PB at C and D, respectively. If PA = 10 cm, find the the perimeter of the triangle PCD.
