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The Generalised Pythagoras Theorem – Another ProofArticle | By At Right Angles |  Aug 20, 2020 Mathematics | 0 Likes

In this short note, we present a proof of the generalised Pythagoras theorem. We use the ‘ordinary’ Pythagoras theorem for the proof.

Theorem. In any triangle ABC, we have:

A Note on Geometric ConstructionArticle | By At Right Angles |  Aug 20, 2020 Mathematics | 0 Likes

The whole of plane geometry is based on two figures, the straight line and the circle. Both these figures are defined by two points, say A and B.

The Approach to Teaching Fractions: Misconceptions and MoreArticle | By At Right Angles |  Aug 18, 2020 Mathematics | 1 Like

Fractions have long been earmarked as a danger zone for both students and teachers – while one needs to tread carefully here, the topic should not be shied away from o

An Angle Bisector in a Right TriangleArticle | By At Right Angles |  Aug 18, 2020 Mathematics | 0 Likes

 

Area of Rectangle = Length × Breadth: Conversations with a 9 year oldArticle | By At Right Angles |  Aug 19, 2020 Mathematics | 0 Likes

Children are taught many kinds of measures in the primary grades, like length, weight, volume, money, time and finally area and perimeter (which is nothing but measurement of length).

Working Together Article | By At Right Angles |  Aug 16, 2020 Mathematics | 0 Likes

“Manveen can paint a room in 3 hours and Allen can paint it in 6 hours. How much time will it take them to paint the room if they work together?”

What Can We Construct? – Part 1 Article | By At Right Angles |  Aug 16, 2020 Mathematics | 0 Likes

The geometers of ancient Greece invented a peculiar game for themselves, a game called Construction, whose objective is to draw various geometric figu

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