홈 >                  	Term: quadrilateral  
quadrilateral
A four-sided plane figure of any shape, having an area equal to the product of the diagonals multiplied by half the sine of the angle between them.
- 품사: noun
 - 분야/도메인: 광업
 - 카테고리: 일반 광산; Mineral mining
 - Government Agency: USBM
 
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- ed.young
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(Milwaukee, United States)