Area of obtuse angled triangle

For an obtuse angled triangle (that is, a triangle with an angle greater than 90°) the perpendicular height may lie outside of the triangle itself.

 

Russell D. Hall

 
資源型態
活動
標籤
適合年齡
11 – 14
語言
English (United Kingdom)
 
 
 
© 2026 International GeoGebra Institute