Reverse mathematics seeks the best system of axioms required to prove a set of theorems. Its essence is to “work backwards”, using theorems as a starting point and proving that the axioms ...

Students are often unsure why angles in the same segment of a circle have to be equal. Colin Foster explains how to make it ...

Check NCERT Solutions for Class 7 Mathematics (Chapter - 6 The Triangle and its Properties). ... Using exterior angle theorem, we have, x = 50° + 50° ⇒ x = 100 ...

GCSE Maths Geometry and measure learning resources for adults, ... Angles, lines and polygons ... Circle theorems - Higher ...

GCSE Maths Geometry and measure learning resources for adults, ... Bearings are three figure angles measured clockwise from North. 2-dimensional shapes ... Circle theorems ...