6. Given BC = 16 and AB = 21, what trigonometric ratio should be used to gef ZA? A. tan A B. cos A C. sin A D. sec A 16 21 7. What is the length of AB in ACAB? A. 6.58 B. 7.32 C. 13. 48 D. 11.57 maw C- 26 15 cm 8. Using the figure in item # 12, what is the measure of ZB? А. 26° B. 90° С.74° D. 64° 9. What is the length of FG in AEFG? A. 166.81 G. B. 155. 49 C. 152.13 D. 107.36 73° 51 10. Triangle BCA is right-angled at C if a = 4.1 cm andb 6.2 cm, find the measure of LA to the nearest degree? А. 33° В. 35° С. 49° D. 57

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