Behrman was a painter who was sixty years old. It had always been his goal to paint a masterpiece. When he paints a leaf to look incredibly natural, it does come true. He applied paint on the remaining leaf on a creeper.
In Fig. 9.26, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠ BEC = 130° and ∠ ECD = 20°. Find ∠ BAC.