Question 25
An equilateral triangle DOC is drawn inside a square ABCD. What is the value of the angle AOB in degrees?
Solution
Triangle AOD is isosceles. So, angle DAO = angle DOA = 75. Similarly, angle BOC = 75. So, angle AOB = 150
Triangle AOD is isosceles. So, angle DAO = angle DOA = 75. Similarly, angle BOC = 75. So, angle AOB = 150
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