Geometrymedium · Past Paper
If the area of a triangle with vertices (0,0), (x,0), and (0,10) is 50, find x.
A5
B10
C20
D100
✓ Correct Answer: B — 10
Area = 1/2 * base * height => 50 = 1/2 * x * 10 => 50 = 5x => x = 10.
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