obtuse-angled triangle

obtuse-angled triangle

 英

  • un.钝角三角形
  • 网络钝角三角学形

例句

obtuse angled triangle leg hypotenuse center of a circle radius semicircle central angle volume cross section depth sphere sphere cone

钝角三角形直角斜边圆心半径半圆圆心角体积截面深度球体圆锥