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What is the area of this triangle?

What is the area of this triangle?-example-1
User Eulalia
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1 Answer

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area = 1/2 * base * height

base = the vertical line form (x1 y2) to (x1 y1) = 6 units

height = horizontal line from the vertical line to point (x3 y3) = 7 units

So area of triangle = 1/2 * 6 * 7 = 21 sq units
User Ayala
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