In the given figure, AOB is a straight line. ∠AOC = 67° and OD is the bisector of ∠BOC. What is the value of ∠BOD in degrees?
In the triangle ABC, AB=12 centimetres, AD =4 centimetres, DC=2 centimetres, BE=5 centimetres. DE is parallel to AB. The perimeter of triangle CDE is:
In the figure a regular pentagon and a squa are joined together. What is the measure the marked angle ?
In the figure ABCD is a quadrilateral. A circle is drawn passing through the points A, B and C. Then the position of the point D is :