A triangle has a base of 10m. if the height is 2x m and the area is 80x square m. find the area and the height of the triangle.
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0.5×10×2×x=80
5×2×x=80
10×x=80
10x=80
x=80÷10
x=10
5×2×x=80
10×x=80
10x=80
x=80÷10
x=10
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