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2.The altitude of a triangle is 6cm greter than its base. If its area is 108cmsq .Find its base.<br>
2.The altitude of a triangle is 6cm greter than its base. If its area is 108cmsq .Find its base.<br>
[[solution]]<br>
[[solution]]<br>
3.Solve x^2-4x-8=0 by the method of completing square <br>
[[solution]]
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