Q. 84.3( 9 Votes )

# Let Δ be the area of a triangle. Find the area of a triangle whose each side is twice the side of the given triangle.

When each side of triangle = a

When a, b and c are the sides of triangle and s is the semi-perimeter, then its area is given by:

A = where [Heron’s Formula]

A’ = where [Heron’s Formula]

When each side of triangle = 2a

= = 2

A’ =

A’ = = 4= 4A

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