If the sides of a triangle are` xy + yz, yz + zx, zx + xy` then inradius of the triangle is

If the sides of a triangle are xy + yz , yz +zx , zx+ xy then inradius of the triangles is

If x^2 + y^2 + z^2 = xy + yz + zx , then the triangle is :

If x^(2) + y^(2) + z^(2) = xy + yz + zx , then the triangle is :

If A= xy, B=yz and C= zx, then find ABC=_

P = xy, Q = yz, R = zx then PQR = ____

If yz - zx = 3 and zx - xy = 4, then xy - yz =

Obtain the product of : xy, yz, zx

Obtain the product of xy,yz, zx

PQR and XYZ are triangles. The perimeter of each triangle is 12 cm. PQR is an equilateral XY=4 cm and YZ=ZX. Both the triangles are __________