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พ่อบ้านติวคณิต

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The problem of finding the distance between two points 📍📍

Many people are confused, but it's really easier than they think! 😉

# The butler tutored math # Math is a little easy # Tutor exam # Math # Math shortcut formula# phorbantutor

2025/9/3 Edited to

ถ้าคุณเคยสงสัยว่าการหาระยะห่างระหว่างจุด 2 จุดบนระนาบเป็นเรื่องยาก ลองใช้สูตรระยะห่างสั้น ๆ นี้ได้เลย: ระยะห่าง = √[(x2-x1)² + (y2-y1)²] โดยที่ (x1, y1) และ (x2, y2) คือพิกัดของจุดทั้งสองที่เราต้องการหาระยะห่าง ตัวอย่างเช่น ถ้าต้องการหาค่าระยะห่างระหว่างจุด (3,4) กับจุด (-1,-1) ให้แทนค่าลงในสูตร: = √[(3 - (-1))² + (4 - (-1))²] = √[(4)² + (5)²] = √[16 + 25] = √41 ≈ 6.4 สูตรนี้เป็นพื้นฐานสำคัญที่ใช้ในหลายวิชาทางคณิตศาสตร์ เช่น เรขาคณิตและฟิสิกส์ ช่วยให้เราเข้าใจระยะทางระหว่างจุดต่าง ๆ อย่างแม่นยำและรวดเร็ว จากประสบการณ์ส่วนตัว การจดสูตรนี้และฝึกทำโจทย์มาก ๆ จะช่วยให้เราจำได้ดีและใช้ในการสอบได้อย่างมั่นใจ หวังว่าคุณจะสามารถใช้สูตรนี้เป็นตัวช่วยในการเรียนคณิตศาสตร์ได้ง่ายขึ้นนะครับ!

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