How do you find the area of the triangle shown? 120* 10 cm 10 cm Draw a height perpendicular to the base. The height divides the equilateral triangle into two right triangles and the vertex divides into two 30 degree angles, so use 30-60-90 rules to find the height and base. O Draw a height perpendicular to the base., The height divides the isosceles triangle into two right triangles and the vertex divides into two 60 degree angles. so use 30-60-90 rules to find the height and base. O Draw a height perpendicular to the base. The height and base follow the gridlines, so just count them.

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.