Basic Details
Word: Semicircle
Part of Speech: Noun
Meaning: A half of a circle or a shape that looks like half of a round object.
Synonyms: Half-circle, Arc
Antonyms: Circle
Idioms and Phrases
- In a semicircle: Arranged in a curved line facing the same direction. Example: "The children sat in a semicircle to listen to the story."
- Half a loaf is better than none: Suggests that getting something, even partially, is better than not having it at all. Example: "We didn't get the whole cake, but half a loaf is better than none!"
Usage Examples
Example 1: The artist painted a bright semicircle in the sky to represent the setting sun.
Example 2: The teacher arranged the desks in a semicircle for better interaction during class discussions.
Example 3: The playground featured a semicircle of swings that delighted many children.
Fun Fact
Did you know that the word "semicircle" comes from the Latin prefix "semi-", meaning half, and the Greek word "kylos", meaning circle? This shows that the concept of dividing a circle has been understood for centuries!
Famous Quote
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." - David Hilbert. This highlights the universal application of shapes like the semicircle in geometry.
Multiple Choice Questions (MCQs)
1. What does "semicircle" mean?
a) A complete circle
b) A triangle
c) A half of a circle
d) A square
Answer: c) A half of a circle
2. Which of these is a synonym of "semicircle"?
a) Half-circle
b) Cube
c) Triangle
d) Rectangle
Answer: a) Half-circle
3. Which of these is an antonym of "semicircle"?
a) Arc
b) Half-circle
c) Circle
d) Oval
Answer: c) Circle
4. Which sentence uses "semicircle" correctly?
a) The semicircle was made of chocolate.
b) The semicircle of trees provided shade during the picnic.
c) The boy drew a semicircle on the wall with a crayon.
d) The semicircle swam in the river.
Answer: b) The semicircle of trees provided shade during the picnic.
5. In which context could you use "in a semicircle"?
a) The stars twinkled.
b) The students sat in a semicircle to listen to the teacher.
c) The fish swam swiftly.
d) The dog barked loudly.
Answer: b) The students sat in a semicircle to listen to the teacher.
