In the given diagram, AC is a straight line passing through centre O:
Solve for x.
Consider the circle with centre O shown:
Solve for x.
For each of the following circles with centre O, solve for x:
For each of the following circles, solve for x :
For each of the following circles with centre O, solve for x:
Consider the following circle where O is the centre:
Find the length AB.
For each of the following circles with centre O, solve for x:
The given circle has TR = 12\text{ cm}, the radius is 13\text{ cm}, and OR has length h\text{ cm}.
Find the area of \triangle TOV.
The diagram shows AC as the arc of a circle with O as its centre, OB = 9, and AB = 7:
Find the exact length of OA.
Hence, find the exact length of BC.
For each of the following circles with centre O, solve for x:
Consider the following circle where O is the centre:
Solve for t.
Solve for u.
Let O be the centre of the given circle with AB = CD.
Prove that \triangle ABO and \triangle CDO are congruent.
Hence, prove that \triangle BEO and \triangle DFO are congruent.
(Extended)
Let O be the centre of the given circle:
Prove that x and y are complementary angles.