1. Trig Test - Solutions
MPM 2D

2. Averages / Medians Average Median KU 77.7% 80% App 66% 65% Comm 72.9%
75%

3. KU Questions Question #1  approx. 0.7 Question #2  approx 20.1°
Question #6  ΔABC ~ ΔDEC (order is important)
Question #7  I intended it to be neither ... But similar is actually correct!

4. KU Questions (continued)
Question #8  similar (rotate and flip it ...) but all three angles are the same ...
Question #9  The error is that they calculated the – 120 (didn’t follow order of operations)
Question #10  sine law

5. Level 2 Problem # 1
<B = 90 – 15 = 75°

6. Level 2 Problem #2

7. Level 2 Problem #3
Therefore, the distance across the river is approximately 44m.

8. Level 3 Problem # 4
Therefore, After 30 minutes the boats would be approximately 11.8km apart.

9. Level 3 Problem # 5 < B1 = 90 – 41 = 49° < B = 90 – 34 = 56°
Therefore, the height of the tree is approximately 30.1 ft.

10. Level 3 Problem # 6
The adjacent side of the 80° angle is the same side as the opposite side for the 10° angle. The hypotenuse is the same side for each. As shown, they equal the same thing.

11. Therefore the area of the shaded region is 50cm2.
Level 4 Problem # 7
Pink Triangle
Blue Triangle
Therefore the area of the shaded region is 50cm2.

12. Level 4 Problem # 8
Ta Da!!