Euclid's Muse

your source for INTERACTIVE math apps

Create an Account

Euclids Elements – Book 1 – Proposition 42

Profile picture of Andrew Zhao

Andrew Zhao



To construct, in a given rectilineal angle, a parallelogram equal to a given triangle.

In other words, given angle D and triangle ABC (in blue), construct a parallelogram (in yellow) that has an equal area to triangle ABC.

Tags: Euclid, Elements, Geometry, Parallelogram, Triangle
thumb Open Fullscreen
Download App Link Embed
Paste this code into your webpage as html:

« Euclids Elements – Book 1 – Proposition 47 Euclids Elements – Book 4 – Proposition 15 »

© Saltire Software Terms and Conditions