Question
Triangle RST and triangle UST share the same base ST. The height of the triangle RST is 4 times the height of Triangle UST. Given that UV is 3 m and ST is 20 m, find the area of the shaded part.
4 m

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Triangle RST and triangle UST share the same base ST. The height of the triangle RST is 4 times the height of Triangle UST. Given that UV is 3 m and ST is 20 m, find the area of the shaded part.