area of triangle sides are =13cm,14cm,15cm
height of a triangle =11.2cm
calculating area of a triangle
let a =13cm,b=14cm,c=15cm
S=1/2(a+b+c)
S=1/2(42)
S=1/2×42=21
therefore,S=21
Now,
(s-a)
21-13=8
(s-b)
21-14 =7
(s-c)
21-15=6
therefore,
area of triangle =^s(s-a)(s-b)(s-c)
^21×8×7×6=^7056
=84cm SQUARE
Area =(1/2×base×height)
Now ,
we don't have height
so, calculating to height
height =168/5=11.2 cm
