List 3

2. A famous plant-eating dinosaur known for its large frill and three sharp facial horns
3. A 2D shape that has three straight sides and three corners
5. A group of three people, especially musicians or singers performing together
7. To multiply something by three, or a word meaning three times as much
9. A three-wheeled vehicle that young children often ride
11. A race where athletes must swim, cycle, and run back-to-back
13. The large muscle at the back of your upper arm, opposite your biceps
15. An event that takes place once every three years

1. A massive number represented by a one followed by twelve zeros
3. Made in three identical copies, or a verb meaning to make three versions of a document
4. A flag that features three distinct stripes of different colours, like the Irish flag
6. A large, three-pronged spear often held by Poseidon
8. An early type of aircraft that has three sets of wings stacked on top of each other
9. A historic style of hat that has its brim folded up into three points
10. Shaped like a triangle
12. A series of three books, movies, or plays that follow the same story, like The Hunger Games
14. One of three babies born to the same mother at the exact same time
15. A three-legged stand used to keep a camera or telescope steady