Mathematics
The figure shows a circle with centre O. AB is the side of regular pentagon and AC is the side of regular hexagon.
Find the angles of triangle ABC.
Related Questions
In a regular pentagon ABCDE, inscribed in a circle; find the ratio between angle EDA and angle ADC.
In the figure, O is the centre of the circle and the length of arc AB is twice the length of arc BC. If angle AOB = 108°, find :
(i) ∠CAB,
(ii) ∠ADB.
In the given figure, BD is a side of regular hexagon, DC is a side of a regular pentagon and AD is a diameter. Calculate :
(i) ∠ADC,
(ii) ∠BDA,
(iii) ∠ABC,
(iv) ∠AEC.
In the given figure, AB = BC = CD and ∠ABC = 132°. Calculate :
(i) ∠AEB,
(ii) ∠AED,
(iii) ∠COD.
