1. Right Triangle Trigonometry (MAT 142)
Dimensional Analysis

2. Right Triangle Trigonometry (MAT 142)
Objectives
Convert from one unit to another unit.

3. Basic Unit Equivalencies
Right Triangle Trigonometry (MAT 142)
Basic Unit Equivalencies
Distances
12 inches = 1 foot
3 feet = 1 yard
5280 feet = 1 mile

4. Basic Unit Equivalencies
Right Triangle Trigonometry (MAT 142)
Basic Unit Equivalencies
Distances
1000 meters = 1 kilometer
100 centimeters = 1 meter

5. Basic Unit Equivalencies
Right Triangle Trigonometry (MAT 142)
Basic Unit Equivalencies
Times
60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day

6. Basic Unit Equivalencies
Right Triangle Trigonometry (MAT 142)
Basic Unit Equivalencies
Times
12 months = 1 year
52 weeks = 1 year
365 days = 1 year

7. Basic Unit Equivalencies
Right Triangle Trigonometry (MAT 142)
Basic Unit Equivalencies
Times
4 quarters = 1 year
2 semiannual periods = 1 year
1 biannual period = 2 years

8. Basic Idea Behind Converting
Right Triangle Trigonometry (MAT 142)
Basic Idea Behind Converting
Multiplying by 1 does not change a number.
We just need to pick the right form of the number 1 to multiply by.

9. Use dimensional analysis to convert 8 yards to feet.
Right Triangle Trigonometry (MAT 142)
Use dimensional analysis to convert 8 yards to feet.

10. Use dimensional analysis to convert 520 days to years.
Right Triangle Trigonometry (MAT 142)
Use dimensional analysis to convert 520 days to years.

11. Right Triangle Trigonometry (MAT 142)
Use dimensional analysis to convert 350 feet per second to miles per hour.

12. Use dimensional analysis to convert 9 square feet to square inches.
Right Triangle Trigonometry (MAT 142)
Use dimensional analysis to convert 9 square feet to square inches.

13. Use dimensional analysis to convert 782 cubic inches to cubic yards.
Right Triangle Trigonometry (MAT 142)
Use dimensional analysis to convert 782 cubic inches to cubic yards.

14. Right Triangle Trigonometry (MAT 142)
Given 15 porks per 2 pigs and 5 pigs per 3 pokes, convert 40 porks to pokes.

15. Right Triangle Trigonometry (MAT 142)
Given 13 morks is 1 gloe, 5 gloes is 1 flit, 7 kits is one lonk, and 10 lonks is 1 gall. Convert 90 morks per kit to flits per gall.