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September 19, 2014

September 19, 2014

Posted by **Anonymous** on Sunday, October 5, 2008 at 9:47pm.

- algebra -
**Reiny**, Sunday, October 5, 2008 at 10:35pmLet the height be x cm

so the base is x+4 cm

Area of triangle = (1/2)base x height

so 48 = (1/2)(x)(x+4)

96 = x^2 + 4x

x^2 + 4x - 96 = 0

Can you solve this quadratic?

Hint: it factors quite nicely

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