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The Teaching of Geometry and Trigonometry (Continued from p. 146.)

Published online by Cambridge University Press:  03 November 2016

Extract

Area Of a Rectangle.—Consider a rectangle A of height h and base b (Fig. 18). By moving the rectangle so that its base slides along the x-axis through a distance b, it takes up the second position A. Thus, on a length 26 of the x-axis, commencing at O, we have a rectangle of height h and area 2A, and so on.

Type
Research Article
Copyright
Copyright © Mathematical Association 1913

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