1. Math 50 3.7 – Additional Applications and Problem Solving 1

2. The total number of square units that completely cover the outer shell of a 3-D object is called the _____________ of the object. It tells you how much material you would need to cover an object. 2

3. The total number of square units that completely cover the outer shell of a 3-D object is called the _____________ of the object. It tells you how much material you would need to cover an object. 3 surface area

4. The total number of square units that completely cover the outer shell of a 3-D object is called the _____________ of the object. It tells you how much material you would need to cover an object. 4 surface area

5. Ex 1. What’s the surface area of the following box? 5

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10. Let’s find a formula for the surface area of a box: 10

11. Let’s find a formula for the surface area of a box: 11

12. Let’s find a formula for the surface area of a box: 12

13. Let’s find a formula for the surface area of a box: 13

14. 14 Falling Objects

15. Ex 2. You base-jump off a 2000-foot-high cliff that is right next to the ocean. How far from the water are you 4 seconds later? 15