italki - Geometric Expressions - Part One I do not know how to express below phrases simply: All rectangles a

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Geometric Expressions - Part One I do not know how to express below phrases simply: All rectangles are diamond, but contrariwise are not always true. Rectangle is a kind of parallelogram. Each diamond has four sides. Each square has four side of equal length and four 90 degree corner.All rectangles are not necessarily diamonds, but it is possible. (A rectangle can be square and a square is also a diamond).

2015년 3월 4일 오전 11:51

답변 · 14

First of all, rectangles are not diamonds. All squares are rectangles, but the reverse is not always true. Rectangles are a kind/type of parallelogram. Each diamond has four sides. Each square has four sides of equal length(or four equal sides) and four 90 degree corners.

2015년 3월 4일

SQUARE "a quadrilateral having both pairs of opposite sides parallel to each other."----read more @ http://dictionary.reference.com/browse/parallelogram First, use an English dictionary definition. Second, search for other definitions.

2015년 3월 4일

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