Mathematics
In the given figure, O is the centre of the circle. If ∠AOB = 140° and ∠OAC = 50°; find :
(i) ∠ACB,
(ii) ∠OBC,
(iii) ∠OAB,
(iv) ∠CBA.
Related Questions
In the following figure, O is the centre of the circle and ΔABC is equilateral.
Find:
(i) ∠ADB, (ii) ∠AEB.
In the given figure APB and CQD are two straight lines, then :
AB || CD
AC || PQ
PQ || BD
AC || BD
In the figure, given below, ∠ABC is equal to :
105°
75°
90°
45°
In the figure, given below, ABCD is a cyclic quadrilateral in which ∠BAD = 75°; ∠ABD = 58° and ∠ADC = 77°. Find :
(i) ∠BDC,
(ii) ∠BCD,
(iii) ∠BCA.
