“共点”造句

三角形的三个高共点.
The 3 altitudes of a triangle are concurrent.

建构一动态绘图:展示星状线共点的三切线.
Construct an animation of three concurrent tangents of the astroid.

圆上五点,其任四条辛姆森线会共点,可依次找出五点,这五点会共圆.
Discover a theorem about the Simson line and five points a circle.

• #共点