I find the area by applying the standard formula for the area of a triangle, which is the length of the base multiplied by the height all divided by two. You should too.
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The area of a triangle is (base)x(height)x1/2.So, we put in your values (base=19, height=14) and we get 19x14x1/2=19x7=133.The area of a triangle with a base of 19cm and a height of 14cm is 133.
triangular prism- formula: Abh(area of the base * height)
Area = (base x height) / 2
Volume = 1/3 * Base area * Height So Base area = 3 * Volume / Height
It is impossible to find the area of a triangle with no height, if the triangle had no height it would not even be a triangle, just a angle.