The sides of a triangle are 12 m, 16 m and 20 m respectively. Find the altitude to its longest side
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Triangle is right angled triangle. As 12²+16²=144+256 =400=20².
Area of triangle 1/2into 12 into 16 =96.
96=1/2 into 20 into x where x is length of altitude.
Or X =9.6 m.
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