In Fig AP and BP are tangents to a circle with centre O, such that AP = 5 cm , and `angle APB = 60^@` . Find the length of chord AB.

If PA and PB are tangents from an outside point P such that PA=10cm and /_APB=60o. Find the length of chord AB

In the adjoining figure, AP=8cm, BP=2cm and angle CPA=90^@ . Find the length of chord CD.

In the figure, angle APB = 90^@ Find the length of OP if AP=2cm .

In Fig.10.77,PA and PB are tangents to the circle with centre O such that /_APB=50o . Write the measure of /_OAB. (FIGURE)

In fig. PQ is a tangent to length 6cm to the circle with centre O and angle OQP=60^@ . Find OQ

In the given figure, AP and BP are tangents to a circle with centre O. If angle APB= 62^@ then the measure of angle AQB is: दी गयी आकृति में, AP और BP वृत्त की स्पर्श रेखाएँ हैं जिसका केंद्र O है | यदि angle APB= 62^@ है, तो angle AQB का मान क्या होगा ?

AP is tangent to the circle with centre O at point A. OP =10 cm and /_ OPA = 30^(@) . The radiu of the circle is

In fig.1,PQ is a tangent at a point C to a circle with centre O if AB is a diameter and angle CAB=30^(@), find angle PCA.

Two tangent segments PA and PB are drawn to a circle with centre O such that /_APB=120o. Prove that OP=2AP