Coordinate Geometry · Exercise 7.2
Three vertices of a rectangle ABCD taken in order are A(1, 1), B(5, 1), C(5, 4). The length of diagonal BD is
Coordinate Geometry · Exercise 7.2
Three vertices of a rectangle ABCD taken in order are A(1, 1), B(5, 1), C(5, 4). The length of diagonal BD is