Question
The figure shows the Triangle CDE that is divided into 4 parts y, z, a and b. The line CF divides the triangle into 2 equal parts. The ratio of Area y to Area z is 1 : 3 and the ratio of Area z to Area a is 5 : 2. Area b is 343 cm2. What is the area of Triangle CDE?
3 m

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The figure shows the Triangle CDE that is divided into 4 parts y, z, a and b. The line CF divides the triangle into 2 equal parts. The ratio of Area y to Area z is 1 : 3 and the ratio of Area z to Area a is 5 : 2. Area b is 343 cm2. What is the area of Triangle CDE?