complementary angles

two angles which sum up to 90 degrees (or π/2 radians)

en-GB/kɒmplɪmɛntɹiː ˈæŋɡlz/
en-US/ˌkɑmpləˈmɛntɹi ˈæŋɡəlz/

دسته بندی ها:

dyad