semicircle
/ˈsemisɜːkl/noun
उच्चारण सेमिसर्कल
अर्धवृत्त
Core word
noun
- 1
[C]
one half of a circle, or something arranged in the shape of half a circle
अर्धवृत्त
- The angle in a semicircle is a right angle.
- The children sat in a semicircle around Radhika as she told the story.
◇Word family
semicircular adjective
✓In the exam
General knowledge
The perimeter of a semicircle of radius r is πr + 2r, because the diameter is also part of its boundary.
GK के अनुसार r त्रिज्या वाले semicircle का perimeter πr + 2r होता है, क्योंकि इसका diameter भी इसकी सीमा का हिस्सा होता है।