Find the distance between each pair of points

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

What term best describes a line ans a point that lie in the same plane

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10