If `angle`ABD = `100^@` is bisected, find the value of the bisected angles.

If angle FAB = 120^@ is divided into two equal parts i.e. angle FAB is bisected, find values of the bisected angles.

If angle A = 100^@ of a cyclic quadrilateral ABCD, then the value of angle C is _____

O is centre of the cricle. If angle AOD= 40^(@) and angle ACB=35^(@) , then the find the value of angle BCO and angleBOD .

(2, 6) is the centre of a circle and one of its chords of length of length 24 units is bisected at (-1, 2). Find the radius of the circle.

AC is the hypotienuse with of 100 metres of a right-angled triangle ABC and if AB = 50sqrt(3) metres, then find the value of angleC .

In the isosceles Delta ABC,AB=AC . The circumcentre of Delta ABC is the centre O lies on the opposite side of BC in which a lies. If Delta BOC=100^(@) , then find the value of angle ABC angle ABO .

In the adjoining firgure O is the centre of the centre and AB is the diameter. If angle BCE=20^(@), angle CAE= 25^(@) , then find the value of angle AEC .

ABCD is a cyclic quadrilateral in wich angleC=2 angleAandangleB=3angleD .Find the values of the internal angles of the quadrilateral .

O is the circumecentre of Delta ABC and D is the mid point of BC. If angle BAC=40^(@) , then find the value of angle BOD .

The coordinates of A,B,C are (2,1) (6,-2) and (8,9) respectively. Find the equation of the internal bisector of the triangle ABC that bisects the angle at A.