complementary angles

Etymology
Complementary in the sense of completing, i.e. they form a complete right angle.

Noun

 * 1)  A pair of angles that sum to a right angle.

Translations

 * Arabic: زَاوِيَتَانِ مُتَتَامَّتَانِ
 * Chinese:
 * Mandarin:
 * Estonian: täiendusnurgad
 * Finnish:
 * French:
 * Greek: συμπληρωματικές γωνίες
 * Hungarian:
 * Japanese: 余角
 * Maori: koki whakahāngai
 * Polish: kąty dopełniające
 * Tagalog: sihang kapuno


 * Icelandic: lagshorn
 * Romanian: unghi complementar