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complementary angles

/ˌkɒmplɪˈmentəri ˈæŋɡəlz/

翻译: 两个角的度数之和等于90度的角。它们常用于几何和三角学中。

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phrase

B2formalcommonscientific/ˌkɒmplɪˈmentəri ˈæŋɡəlz/

Two angles whose measures add up to 90 degrees. They are often used in geometry and trigonometry.

  • 🇨🇳两个角的度数之和等于90度的角。它们常用于几何和三角学中。
  1. Two angles summing to 90 degrees B2 formal

    Two angles whose measures add up to exactly 90 degrees.

    • In a right triangle, the two acute angles are complementary angles.
    • If one angle is 30 degrees, its complementary angle is 60 degrees.
    • The teacher explained that complementary angles always sum to 90 degrees.

    🇨🇳余角