A theorem attributed to Greek philosopher and polymath Pythagoras posits that the square on the hypotenuse of a right-angled triangle is equal in area to the sum of the squares on the other two sides.

A regular polygon has sides that are equal in length and equal angles. These shapes are all regular polygons. A regular triangle is called an equilateral triangle. A regular quadrilateral is ...

Q. Show that the relation R defined in the set A of all triangles as R = {(T1, T2): T1 is similar to T2}, is equivalence relation. Consider three right angle triangles T1 with sides 3, 4 ...

In mathematics, a bearing is the angle in degrees measured clockwise ... can be worked out as you would work out problems with triangles using the sine or cosine rule: ...

One of the main features of the library is the provided title page. You can create it as follows: ...