IN many respects an excellent little book, in which blank pages are left for the pupil to insert his own proofs of the simpler propositions which are treated as riders. It is not in accordance with ...

Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...

For generations, Indian students have learnt it simply as the Pythagoras Theorem. In a quiet but significant shift, the Class 8 NCERT mathematics textbook has now introduced it as the ...