radius
intermediateB2/ˈreɪ.di.əs/ · ra-di-us
A line segment from the center of a circle to any point on its circumference.
Meanings
A line segment from the center of a circle to any point on its circumference.
کسی دائرے کے مرکز سے اس کی محیط کے کسی نقطے تک کا لائن ٹکڑا۔
نصف قطر
nisf qatar
Common Collocations
- radius of a circle
- measuring radius
- radius vector
Example Sentences
The radius of the circle is five centimeters.
دائرے کا نصف قطر پانچ سینٹی میٹر ہے۔
Daire ka nisf qatar paanch senti meter hai.
To calculate the area of a circle, you need to know the radius.
دائرے کا رقبہ معلوم کرنے کے لیے، آپ کو نصف قطر جاننا ضروری ہے۔
Daire ka raqba maloom karne ke liye, aap ko nisf qatar jana zaroori hai.
A larger radius indicates a larger circle.
بڑا نصف قطر ایک بڑے دائرے کی نشاندہی کرتا ہے۔
Bara nisf qatar aik baray daire ki nishandahi karta hai.
Easily Confused With
Word Family
See Also
💡 Memory Tip
Think of 'radius' as a ray that reaches out from the center.
Imagine a pizza, and the radius is the slice extending from the center to the crust.
📖 Etymology
Origin: Latin "radius" — ray, spoke of a wheel
First known use: 16th century
The word 'radius' has been used in English since the early 16th century, taken from Latin, where it referred to a rod or spoke.