Form.1英文數學題

pair
一對,一雙,(兩部分形成的)一件[C][(+of)]
complementary
補充的;互補的;相配的
angle
角;角度
Two angles are called complementary angles if the sum of their degree measurements equals 90 degrees. One of the complementary angles is said to be the complement of the other.



pairs of complementary angles is meaning 一對一樣角度的角!!


I am Form.1 boy too! Where do you study?