In triangle ABC is equal to 11 centimetre BC equal to 12 cm and CA equal to 13 cm find the area of traingle abc and its altitude on AB
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area can be calculated by using heron's formula
i.e, area of triangle =
whole root ( s(s-a)(s-b)(s-c))
where s=a+b+c/2
a,b,c are lengths of the two sides
i.e, area of triangle =
whole root ( s(s-a)(s-b)(s-c))
where s=a+b+c/2
a,b,c are lengths of the two sides
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