相似三角形xiangsi sanjiaoxing
两个三角形对应角相等，对应边成比例.如图，△ABC相似于△A′B′C′，记作△ABC∽△A′B′C′.记两个三角形相似，通常把表示对应顶点的字母写在对应位置上.
相似三角形的形状相同，大小不一定相同.
- Whitney，Eli
- Whitney，Mount
- Whit Sunday
- Whittier
- Whittier，John Greenleaf
- Whittington，Richard
- Whittle，Sir Frank
- WHO
- wholesaling
- whooping cough
- whooping crane
- Whorf，Benjjamin Lee
- whortleberry
- Whyalla
- whydah
- Whymper，Edward
- Wichita
- Wichita Falls
- Wichita lndians
- Wick
- Wickersham，George Woodword
- Wickliffe，John
- Wickllow
- widgeon
- Widnes