Objectives SWBAT: with at least 80% of accuracy Express the sine cosine and tangent of an angle in a rt. Triangle as a ratio of given side length(FUN 24-27).Apply basic trigonometric ratios to solve right-triangle problems (FUN 28-32) (Review )
1.As your job at the hardware store, a customer gives you a $20 bill to pay for a hammer that costs $7.98 and a box of nails that costs $1.69. How much change should you give back? 2. In a typical week, you work 40 hours with no overtime. Your salary before taxes and other deductions is $334.00. How much do you make per hour? 3. A metal alloy is made by adding ½ ounce of metal C and 1/3 ounce of metal D. What is the total weight of the alloy 4. Over the last 5 days, you made the following number of sales calls: 8, 7, 9, 5, and 7. On average, how many calls did you make each day? BELL RINGE REVIEW
8. The sum of 6 numbers is 108, and the sum of 9 numbers is 162. What is the average of these 15 numbers ? 9. The operation B @ C is defined as B + 2C. What is te value of 6 @ 3 ?
10.For every integer n,the sum of n and n + 1 is A. odd B. even C. divisible by 3 D. divisible by 5 E. divisible by 7. 11. What is the value of the expression 200 – 3 ( √ 9 -4 ) 2 ?
12. What is the positive difference between the mean and the median of the 6 numbers given below ? 13 2312201315 13. 2 (1 - 5) +3 = ?
14. In rt. triangle BDC, altitude BD is 4 inches long. What is the perimeter, in inches, of triangle BCD ? B 4 C D A. 8 B. 8 + 4√2 C. 12√2 D. 12 + √ 3 E. 16 45 0
15. A circular play area has a diameter of 12 yards. A fence is put around the play area, with a 2-yard section of the circle left open as the entrance. What is the closest to the minimum number of yards of fencing needed ?
Use ∆ABC to find the missing side a EXIT SLIP C 76 0 a 70 A BBBBBB B