The radius is the distance from the center of a circle or sphere to any point on its circumference or surface.
2. Ratio
Answer: Mathematical Terms
A ratio is a mathematical term that describes the relationship between two quantities, showing how many times one value contains or is contained within the other.
3. Rhombus
Answer: Mathematical Terms
A rhombus is a type of quadrilateral in geometry where all four sides have equal length and opposite sides are parallel, but the angles are not necessarily right angles.
4. Root
Answer: Mathematical Terms
A root is a value that, when substituted for the variable in an equation, makes the equation true, such as the square root of a number being a value that, when squared, equals the original number.
5. Ridge
Answer: Geographical Features
A ridge is a long, narrow elevation of land, often with a crest or summit, formed by geological processes such as tectonic movements or erosion.
6. Rainforest
Answer: Geographical Features
A rainforest is a dense forest ecosystem characterized by high annual rainfall and a variety of tall trees and diverse flora and fauna, typically found near the equator in tropical regions.
7. Reef
Answer: Geographical Features
A reef is a ridge or mound of rock, coral, or sand located underwater near the surface of the ocean, providing habitats for marine life and often forming barriers that protect coastlines from waves and erosion.
8. Rill
Answer: Geographical Features
A rill is a small, narrow channel or rivulet formed by water erosion, typically seen on the surface of soil or loose sediment after rainfall or snowmelt.
9. Rock
Answer: Musical Genres
Rock is a genre of popular music characterized by strong rhythms, amplified electric instruments like guitars and drums, and often featuring vocals with a focus on melody and rhythm.
10. R&B
Answer: Musical Genres
R&B, or rhythm and blues, is a genre of popular music that originated in African American communities, known for its soulful vocals, rhythmic beats, and integration of blues and gospel influences.
11. Rap
Answer: Musical Genres
Rap is a genre of music characterized by rhythmic speech or "rhyming" lyrics delivered over a beat, often addressing social issues, personal experiences, or boasting, originating in African American communities.
12. Reggae
Answer: Musical Genres
Reggae is a genre of music originating from Jamaica, known for its rhythmic accents on the off-beat, melodic bass lines, and lyrics often focusing on social and political themes, as well as love and spirituality.
13. Road Runner
Answer: Cartoon Characters
Road Runner is a cartoon character from the Looney Tunes series, known for its speed and agility, and frequently featured in comedic chases with Wile E. Coyote, often outsmarting the latter with clever maneuvers.
14. Roger Rabbit
Answer: Cartoon Characters
Roger Rabbit is a cartoon character from the film "Who Framed Roger Rabbit," known for his comical antics and being married to Jessica Rabbit, and he often finds himself in trouble due to his clumsiness and naivety.
15. Raphael
Answer: Cartoon Characters
Raphael is a cartoon character from the "Teenage Mutant Ninja Turtles" series, recognized for his red bandana and aggressive, rebellious personality, often wielding twin sai weapons in battles against villains like the Shredder.
16. Rocky
Answer: Cartoon Characters
Rocky is a cartoon character from the series "Rocky and Bullwinkle," a courageous flying squirrel known for his intelligence and determination, often embarking on adventures to foil the schemes of villains like Boris Badenov and Natasha Fatale.
This quiz was reviewed by FunTrivia editor spanishliz before going online.
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