`TtriangleSgttriangleH and TRIANGLEH` is +ve and `TRIANGLES is -ve` `TtriangleS=triangleH`and both `triangleH `and` triangleS` are +ve `TtriangleSlttriangleH`and both `triangleH` and `triangleS` is +ve `TtriangleSgttriangleH`and both `triangleH` and `triangleS`are is +ve