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the altitude of a triagnle is 2cm shorter then its base. the area is 15cm squared. determine the base of the triangle.

  • math -

    Assuming "15cm squared." means 15 cm² (and not (15 cm)²).
    Let
    b=base of triangle
    b(b-2)/2 = 15
    solve for b (it's a quadratic equation).

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