The box below is 15 centimeters long, 4 centimeters wide, and 3 centimeters tall. What is the length of the diagonal r of the box?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !