Question
The figure shows a rectangle YZAB. The lines are extended from point Y, Z, A and B and they meet at point D. The length of AB is 20 cm. Given that the area of triangle YDB is 65 cm2 and the area of triangle ZDA is 123 cm2, find the breadth of the rectangle in mixed number.
4 m

Click button first when a symbol is required. X

The figure shows a rectangle YZAB. The lines are extended from point Y, Z, A and B and they meet at point D. The length of AB is 20 cm. Given that the area of triangle YDB is 65 cm2 and the area of triangle ZDA is 123 cm2, find the breadth of the rectangle in mixed number.