同どう位い角かく

noun

corresponding angles

In geometry, angles that occupy the same relative position at each intersection where a straight line crosses two others. If the two lines are parallel, corresponding angles are equal.

• 平へい行こう線せんでは同どう位い角かくは等ひとしい。

  Corresponding angles are equal when lines are parallel.

• 同どう位い角かくの性せい質しつを使つかって角かく度どを求もとめなさい。

  Find the angle using the property of corresponding angles.