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1. Oxford American Dictionary

   right angle

   • IPA[ˈrīd ˌaNGɡ(ə)l]

   美式

   • n.
     an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.

   • noun: right angle, plural noun: right angles

2. • 相關詞
   • 片語

   right-angled

   • adj.
     containing or being a right angle: a right-angled triangle

   Oxford Dictionary

   right-angled

   • adj.
     containing or being a right angle: a right-angled triangle

   Oxford American Dictionary

   at right angles (or a right angle) to

   • ph.
     forming an angle of 90° with (something)

   Oxford American Dictionary

   at right angles (or a right angle) to

   • ph.
     forming an angle of 90° with (something)

   Oxford Dictionary

   at right angles to

   • ph.
     forming an angle of 90° with (something)

   Oxford Dictionary

   at right angles to

   • ph.
     forming an angle of 90° with (something)

   Oxford American Dictionary

   片語

   • at right angles to
3. • 更多解釋

   right angle

   • IPA[ˈrʌɪt ˌaŋɡl]

   英式

   • n.
     an angle of 90°, as in a corner of a square, or formed by dividing a circle into quarters.

   Oxford Dictionary