find the length of the side of a triangle with 20 28 and 35 as the length of its altitude
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Step-by-step explanation:
We know, area of triangle by Heron's Formula is
where s=perimeter of triangle/2 [(20+28+35)/2=83/2=41.5]
a,b,c are sides of triangle
So,
Area=sqrt(41.5×21.5×6.5×13.5)
=279.812325....
=279.81 unit²
HOPE THIS HELPS....
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