is the perimeter of the triangle whose sides measure 7.5 7.1 and 8.1
It is an isosceles triangle with a perimeter of 26+(4 times square root of 13) linear units and an area of 78 square units
It is: 3*7.5 = 22.5 cm which is the perimeter of the equilateral triangle
Yes, the Euclidean distance is the length of the hypotenuse of the right angled triangle whose other two vertices are at the two given points.
It is the vertex whose plural is vertices
It is: 3*7 = 21cm