Mathematics
In a circle with center at point O, chord AB is a side of a square and chord BC is a side of regular hexagon. Then angle AOC is equal to:
120°
150°
90°
none of these
Related Questions
In the given figure, AB is a side of a regular hexagon and AC is a side of regular eight sided polygon. Find :
(i) ∠AOB
(ii) ∠AOC
(iii) ∠BOC
(iv) ∠OBC
In the given figure, O is the centre of the circle and the length of arc AB is twice the length of arc BC.
If ∠AOB = 100°, find :
(i) ∠BOC
(ii) ∠OAC
AB (= 20 cm) is diameter of the given circle and AP (= 16 cm). The distance of chord AP from center O is:
12 cm
18 cm
9 cm
6 cm
Given O is center of the circle with chord AB = 8 cm, OA = 5 cm and OD ⊥ AB. The length of CD is :
3 cm
5 cm
2 cm
none of these