Question
The figure is made up of three triangles, RST, UVW and XYZ not drawn to scale. The area of triangle XYZ is five times the area of triangle RST. The area of triangle RST is 13 of triangle UVW. The area of triangle RST is 10 cm2. What is the total area of the shaded parts?
2 m

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The figure is made up of three triangles, RST, UVW and XYZ not drawn to scale. The area of triangle XYZ is five times the area of triangle RST. The area of triangle RST is 13 of triangle UVW. The area of triangle RST is 10 cm2. What is the total area of the shaded parts?