Mathematics
In the given figure, O is the centre of the circle. If ∠AOB = 140° and ∠OAC = 50°, find :
(i) ∠ABC
(ii) ∠BCO
(iii) ∠OAB
(iv) ∠BCA
Related Questions
In the given figure, AB ∥ DC and ∠BAD = 100°. Calculate :
(i) ∠BCD
(ii) ∠ADC
(iii) ∠ABC.
In the given figure, ∠ACB = 52° and= ∠BDC = 43°. Calculate
(i) ∠ADB
(ii) ∠BAC
(iii) ∠ABC.
In the given figure, ∠BAD = 70°, ∠ABD = 50° and ∠ADC = 80°. Calculate :
(i) ∠BDC
(ii) ∠BCD
(iii) ∠BCA.
In the given figure, O is the centre of the circle. If ∠ADC = 140°, find ∠BAC.
