In the given figure, O is the centre of the circle and TP is the tangent to the circle from an external point T. If `/_PBT =30^@ `, prove that BA:AT =2:1

In figure, O is the centre of a circle. PT and PQ are tangents to the circle from an external point P. If angleTPQ=70^(@) , find angleTRQ .

In the given figure, O is the centre of the circle and AD is a tangent to the circle at A. If |__CAD=50^(@) and |__ADC=30^(@) , find |__ABO .

Prove that the tangents drawn to a circle from an external point are equal.

In the given figure , O is the centre of the circle. AB and AC are tangents to the circle such that BA bot CA. Prove that square BACO is a square.

In given figure, O is the centre of the circle and LN is a diameter. If PQ is a tangent to the circle at K and angleKLN=30^(@) , find anglePKL .

In the given figure, O is the centre of a circle, BOA is its diameter and the tangent at the point P meets BA extended at T. If angle PBO = 30^@ ,then angle PTA is equal to

In the figure 'O' is the centre of the circle ,PT is a tangent and if anglePTO=30^(@) , find anglePOT

In the given figure 'O' is the centre of the circle SP and TP are the two tangents at S and T respectively. angle SPT is 50^(@) , the value of angle SQT is:

In the given figure O is the centre of the circle. Line UTV is tangent to circle at T. angleVTR=52^(@) and PTR is an isoslece triangle such that TP = TR. What is the value of anglex+angley+anglez ?