1. 8 th grade Vocabulary Word, Definition, model Unit 2

2. MODEL: Unit 2 Cone DEFINITION: A 3D FIGURE WITH A CIRCLE ON ONE END THAT TAPERS TO A POINT AT THE OTHER.

3. MODEL: Unit 2 Cylinder DEFINITION: A CIRCLE THAT EXTENDS IN ONE DIRECTION TO GIVE A HEIGHT.

4. MODEL: Unit 2 Diameter DEFINITION: THE DISTANCE ACROSS A CIRCLE THAT PASSES THROUGH THE CENTER.

5. MODEL: A= L*W Unit 2 Formula DEFINITION: AN EQUATION THAT IS ALWAYS TRUE IN A CERTAIN SITUATION.

6. MODEL: Unit 2 Height DEFINITION: THE DISTANCE FROM THE BASE OF A FIGURE TO THE HIGHEST POINT DIRECTLY ABOVE THE BASE.

7. MODEL: Unit 2 Hypotenuse DEFINITION: THE SIDE OF A RIGHT TRIANGLE THAT IS OPPOSITE OF THE 90 DEGREE ANGLE.

8. MODEL: Unit 2 Legs DEFINITION: THE TWO SIDES OF A RIGHT TRIANGLE THAT MAKE THE 90 DEGREE ANGLE.

9. MODEL: Unit 2 Pi DEFINITION: THE RATIO BETWEEN THE RADIUS AND THE CIRCUMFERENCE OF A CIRCLE. Π

10. MODEL: Unit 2 Pythagorean Theorem DEFINITION: IF A TRIANGLE IS RIGHT, THE SUM OF THE SQUARE OF THE LEGS IS EQUAL TO THE SQUARE OF THE HYPOTENUSE. A 2 + B 2 = C 2 a 2 + b 2 = c 2

11. MODEL: Unit 2 Pythagorean Triple DEFINITION: THESE THREE LENGTHS OF THE SIDES OF A RIGHT TRIANGLE ALWAYS COMBINE TO MAKE A RIGHT TRIANGLE.

12. MODEL: Unit 2 Radius DEFINITION: THE LENGTH FROM THE CENTER OF A CIRCLE TO ANY PLACE ON THE CIRCLE.

13. MODEL: Unit 2 Right Triangle DEFINITION: A TRIANGLE WITH AN ANGLE OF 90 DEGREES.

14. MODEL: Unit 2 Sphere DEFINITION: A BALL SHAPE. A CIRCLE THAT IS 3D.

15. MODEL: Unit 2 Volume DEFINITION: THE AMOUNT THAT A CLOSED FIGURE (3D) CAN HOLD. (CAPACITY)

16. MODEL: Unit 2 Volume of a Cone FORMULA:

17. MODEL: Unit 2 Volume of a Cylinder FORMULA:

18. MODEL: Unit 2 Volume of a Sphere FORMULA:

19. 8 th grade Vocabulary Cone Cylinder Diameter Formula Height Hypotenuse Legs Pi Pythagorean Theorem Pythagorean triple Radius Right triangle Sphere Volume Volume of a cone Volume of a cylinder Volume of a sphere