Basic Details
Word: Pentagon
Part of Speech: Noun
Meaning: A shape with five sides and five angles.
Synonyms: Five-sided shape, quinquevert
Antonyms: N/A
Idioms and Phrases
- Pentagon talk: Referring to complex or confusing discussions, especially in politics. Example: "The politician's speech was full of Pentagon talk that left everyone puzzled."
- Inside the pentagon: To be in the heart of a situation or organization, especially in a decision-making role. Example: "Only those inside the pentagon knew about the latest changes to the policy."
Usage Examples
Example 1: The architect designed a beautiful pentagon-shaped building that stood out in the city skyline.
Example 2: In mathematics class, we learned how to calculate the area of a pentagon using a formula.
Example 3: The five-pointed star is often associated with the pentagon shape in various designs and decorations.
Fun Fact
The term "pentagon" comes from the Greek word "pentagonon," which means "five angles," highlighting the unique geometry of this shape.
Famous Quote
"Mathematics is the music of reason." - James Joseph Sylvester (indirectly related to shapes like the pentagon)
Multiple Choice Questions (MCQs)
1. What does "pentagon" mean?
a) A shape with three sides
b) A shape with four sides
c) A shape with five sides
d) A shape with six sides
Answer: c) A shape with five sides
2. Which of these is a synonym of "pentagon"?
a) Triangle
b) Quadrilateral
c) Five-sided shape
d) Hexagon
Answer: c) Five-sided shape
3. Which sentence uses "pentagon" correctly?
a) The pentagon is a famous building in the city.
b) The pentagon flew in the sky.
c) She had a pentagon-shaped ice cream.
d) The pentagon grew taller over time.
Answer: a) The pentagon is a famous building in the city.
4. Which idiom refers to confusing discussions similar to "pentagon"?
a) Open the floodgates
b) Pentagon talk
c) Jumping through hoops
d) Run around in circles
Answer: b) Pentagon talk
5. What is the opposite of "pentagon"?
a) Hexagon
b) N/A
c) Decagon
d) Triangle
Answer: b) N/A
