With all that​ emphasis on the significance of the square in our lives, how did we get to that semi-put down of the middle of the last century “Be there or be square”?

THIS is a really capital book for students of what may be called scholarship standard. It contains, among other things, sections on similarity, transversals, vector geometry, inversion, and coaxal ...

It may be necessary to use Pythagoras' theorem and trigonometry to solve a problem. The shape ABCDEFGH is a cuboid. Length AB is 6 cm, length BG is 3 cm and length FG ...

Ships use bearings to navigate. A bearing is measured in degrees. This plane is flying at an angle of 48° from North. The bearing it flies at is 048°. This plane is flying at an angle of 20 ...