三角板

sānjiǎobǎn
  1. set square
  2. triangle (for drawing right angles)

CEDICT

set square

Wiktionary

繪圖用具。以扁薄木板、塑膠板等製成，二片為一組，一片為四十五度的等腰直角三角形；另一片為六十度與三十度的直角三角形，多用以畫各種直線形與特別角的三角形。

重編國語辭典

用木板、塑料等材料做成的直角三角形状的绘制工具。两块为一副，一块的两锐角为45度，另一块的两锐角分别为30度和60度

維基詞典

Entry Composition

1 三角 sānjiǎo triangle
=2 板 bǎn
  1. board
  2. plank
  3. plate
  4. shutter
  5. table tennis bat
  6. clappers (music)
  7. accented beat in Chinese music
  8. hard
  9. stiff
  10. to stop smiling or look serious

classifier: 塊
=2 板 bǎn see 老闆, boss

Related entries

曲尺 qūchǐ set square (tool to measure right angles)
矩尺 jǔchǐ set square (tool to measure right angles)
角尺 jiǎochǐ set square (tool to measure right angles)
丁字尺 dīngzìchǐ
  1. T-square
  2. set square (carpenter's tool)
三角 sānjiǎo triangle
她喜歡穿平角內褲，不喜歡穿三角的，也不喜歡穿丁字褲。

She likes wearing boxer briefs, she doesn't like briefs, and also doesn't like thongs.

Source: Tatoeba

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