Basic Details
Word: Protractor
Part of Speech: Noun
Meaning: A tool used for measuring angles in degrees.
Synonyms: Angle measurer, angle gauge
Antonyms: N/A
Idioms and Phrases
- At a turning point: This phrase refers to a crucial moment where things can change, similar to measuring angles. Example: "The project reached a turning point when we decided to change our approach."
- On the right angle: To be in the proper position or state. Example: "If we start the project on the right angle, we will succeed quickly."
Usage Examples
Example 1: The students used a protractor to measure the angle of the triangle accurately.
Example 2: In geometry class, we learned how to properly use a protractor to draw different angles.
Example 3: The architect needed a protractor to design the building with precise angles.
Fun Fact
Did you know that protractors have been used since ancient times, with early versions appearing in geometry texts as far back as the 16th century? They were originally made of wood or brass!
Famous Quote
"Geometry is the archetype of the beauty of number." Johannes Kepler
Multiple Choice Questions (MCQs)
1. What does "protractor" mean?
a) A tool for measuring temperatures
b) A tool for measuring angles
c) A type of paper
d) A kind of calculator
Answer: b) A tool for measuring angles
2. Which of these is a synonym of "protractor"?
a) Ruler
b) Angle measurer
c) Compass
d) Pencil
Answer: b) Angle measurer
3. Which sentence uses "protractor" correctly?
a) The protractor flew across the room.
b) I used my protractor to make a pizza.
c) The teacher showed how to measure angles with a protractor.
d) We painted the protractor bright colours.
Answer: c) The teacher showed how to measure angles with a protractor.
4. Which idiom refers to a significant change?
a) At a turning point
b) On the right angle
c) Under the weather
d) Over the moon
Answer: a) At a turning point
5. What is the opposite of "protractor"?
a) N/A
b) Stamp
c) Banana
d) Balloon
Answer: a) N/A
