ไธ่งๅฎ่ฆ
ไธ่งๅฎ่ฆ, triangular ruler
ไธ่งๅฝขใฎๅฎ่ฆใงใ่งๅบฆใๆธฌใฃใใใ็ด่งใๆใใใใใๆใซไฝฟใใพใใๆฐๅญฆใฎๆ้ใ่ฃฝๅณไฝๆฅญใงใใไฝฟใ้ๅ ทใงใใ
้ๅธธ45ๅบฆใจ90ๅบฆใฎ่งๅบฆใ่กจ็คบใใใฆใใใฎใงใๆญฃ็ขบใช่งๅบฆใง็ทใๅผใใฎใ็ฐกๅใงใใๅปบ็ฏใใใถใคใณไฝๆฅญใง็นใซ้่ฆใช้ๅ ทใงใใ
It's a triangular-shaped ruler used for measuring angles or drawing right angles. It's a tool frequently used in math class or drafting work.
It usually has 45-degree and 90-degree angles marked on it, making it easy to draw lines at precise angles. It's a particularly important tool in architecture and design work.
ไธ่งๅฎ่ฆใฏใๅคไปฃใจใธใใใงใใฉใใใๅปบ่จญใซๆดป็จใใใใปใฉ้ทใๆญดๅฒใๆใค้ๅ ทใงใใๆฐๅญฆ็ๆญฃ็ขบๆงใจๅปบ็ฏใฎๅบ็คใ่ฑกๅพดใใ้ๅ ทใจใใฆใ็พไปฃใซใใใฆใใใฎ้่ฆๆงใฏๅคใใใพใใใ
ๆ่ฟใฏใใธใฟใซใใผใซใ็บ้ใใพใใใใๅบ็ค่จญ่จใๆ่ฒ็พๅ ดใงใฏไพ็ถใจใใฆไธ่งๅฎ่ฆใๅฟ ้ๅใงใใ็นใซๅปบ็ฏใๅทฅๅญฆๅ้ใฎๅญฆ็ใซใจใฃใฆใฏใๅบๆฌ็ใช่จญ่จ่ฝๅใ้คใไธใง้ๅธธใซ้่ฆใช้ๅ ทใจใใฆ่ชใใใใฆใใพใใ
็ตตๆๅญใฎ็ตใฟๅใใ
็ตตๆๅญใใฌใผใบ
ไธ่งๅฎ่ฆใซ้ข้ฃใใ็ตตๆๅญ
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