Mathematics
In the given figure, O is the centre of the given circle. AB is a side of a square, BC is a side of regular pentagon and CD is a side of regular hexagon. Find :
(i) ∠AOB
(ii) ∠AOC
(iii) ∠AOD
(iv) ∠BCD
Related Questions
In the given circle, arc APB and arc BQC are in the ratio 2 : 5 and O is centre of the circle.
If angle AOB = 44°; find angle AOC.
The given figure shows two congruent circles with centres P and Q. R is mid-point of PQ and ABRCD is a straight line.
Prove that : AB = CD.
Construct a cumulative frequency distribution table from the following frequency table :
C.I. Frequency 0-12 12 12-24 16 24-36 15 36-48 10 48-60 18 Construct a frequency table from the following cumulative frequency table :
Class interval Cumulative frequency 1-10 7 11-20 15 21-30 30 31-40 42 41-50 60 51-60 75