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→Hints for difficult problems
[[solution]]<br>
[[solution]]<br>
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>
Statement: Solving problem based on quadratic equations.<br>
Statement: Solving problem based on quadratic equations.<br>
[[solution]]
[[solution]]
x=-18, x=12<br>.
x=-18, x=12<br>.
# Base=12cm, <br> Altitude=x+6
# Base=12cm, <br> Altitude=x+6
=12+6=18cm.<br>
=12+6=18cm.<br>
'''Prior Knowledge''' -<br>
'''Prior Knowledge''' -<br>