Page 3 - Activity 3 Opposite angles of Cyclic Quadrilateral Ch.10 Circle
P. 3
they are supplementary.
Procedure
1. Take a cardboard of suitable size and paste a white paper on it.
2. Draw a circle of suitable radius on drawing sheet.
3. Cut out the circle and paste it on cardboard.
4. In the circle, draw a quadrilateral ABCD such that all the four vertices of
quadrilateral lie on the circle. Name the angles as ∠A, ∠B, ∠C and ∠D. (see Fig.
25.5)
