对顶角 duì dǐng jiǎo

DEFINITIONS

  1. angle to the vertical
  2. angle (between two lines or two planes)

CHARACTERS

对 duì
HSK 1
correct, right; facing, opposed
顶 dǐng
HSK 5
top, summit, peak; to carry on the head
角 jiǎo
HSK 3
horn; angle, corner; point