Exam Exam
1.- In a right triangle, knowing that a = 10 cm and B = 30o, then

 a) b = 5cm; c = 8.66 cm; C = 60o b) b = 8.66 cm; c = 5 cm; C = 60o c) b = 9 cm; c = 7 cm; C = 60o d) None of them

2.- In a right triangle, knowing that b = 7 cm and B = 25o, then

 a) a = 15.01 cm; c = 16.56 cm; C = 65o b) a = 16.56 cm; c = 15.01 cm; C = 65o c) a = 15.01 cm; c = 15.01 cm; C = 65o d) None of them

3.- In a right triangle, knowing that b = 3 cm and c = 5 cm, then

 a) B = 40o b) B = 40o 15' 30'' c) B = 30o 57' 30'' d) B = 30o 57' 49.5''

4.- In a non-right triangle, knowing that a = 4 m, b = 8 m and C = 50o, then

 a) c = 4.77 m b) c = 6.23 m c) c = 11 m d) None of them

5.- In a triangle, knowing that a = 10 m, b = 5 m and B = 30o, then

 a) A = 85o b) A = 55o c) A = 95o d) It is a right-triangle

6.- In a non-right triangle, knowing that a = 10 m, A = 20o and B = 50o, then

 a) b = 22 m b) b = 22,1 m c) b = 22,4 m d) b = 28 m

7.- In a non-right triangle, knowing that a = 5 m, c = 4 m and C = 30o, then

 a) c = 3 m b) c = 2.52 m c) c = 3.52 m d) None of them

8.- In a non-right triangle, knowing that a = 7 m, b = 4 m and c = 5 m, then

 a) A = 101o 32' 13'' b) A = 78o 27' 47'' c) A = 103o 22' 13'' d) A = 101o 32' 53''

9.- In the same triangle from exercise 8 the area is:

 a) 10 m2 b) 10,79 m2 c) 9,79 m2 d) None of them

10.- In a non-right triangle, knowing that c = 5 m, A = 60o and B = 70o, then

 a) a = 5.65 cm b) a = 565 cm c) a = 8.65 m d) None of them