Angles All about Sides Special Triangles Trig Ratios Solving Triangles

Question Find Cos(42 o ) (round to the nearest four places)

Answer 1 –

Question Find angle A Cos(A)=1/2

Answer 1 – degrees

Question Find angle A Tan(A)=1

Answer 1 – degrees

Question Solve for X X 8 15

Answer 1 – degrees

Question Solve for X X 55 89

Answer 1 – degrees

Question Tell whether the number represent and acute obtuse, right or no triangle 2, 20, 22

Answer 2 – 10 No triangle 2+20=22

Question Tell whether the number represent and acute obtuse, right or no triangle 4, 11, 13

Answer 2 – 20 Obtuse

Question Solve for X (round to 2 decimal places) X

Answer 2 – 30 Cos(51)=8/x 8/Cos(51)= x X=12.71

Question X

Answer 2 – 40 X = 21.98

Question Solve for x and Y X Y0Y0

Answer 2 – 50 X=7.13 Y= 27 degrees

Question Solve for X X

Answer 3 – 10 X = 8√2

Question Solve for X X

Answer 3 – 20 X = 10

Question Solve for X and Y 30 0 X Y 6

Answer 3 – 30 X = 2√3 Y = 4√3

Question Name the rules in a when going from a leg to HYP and HYP to leg

Answer 3 – 40 Leg HYP = Leg * √2 HYP Leg = HYP / √2

Question Name the Rules in a when going from the Short Leg to the Long Leg and the HYP and also Back

Answer 3 – 50 SL HYP = SL * 2 HYP SL = HYP / 2 SL LL = SL * √3 LL SL = LL / √3

Question Find the Tangent ratio of the angle

Answer 4 – 10 Tan = 8/7

Question Find the Cosine and Sine ratios of the angle

Answer 4 – 20 Cos = 7/15 Sin = 8/15

Question Define all Trig Ratios

Answer 4 – 30 Sine = Opposite/Hyp Cosine=Adjacent/Hyp Tangent=Opposite/Hyp

Question Solve Lauren want to measure the height of a building. She stands 150ft from the base of the building. She measure the angle of elevation from a point on the ground to the top of the building to be Estimate the height of the building.

Answer 4 – 40 Height = ft

Question A 7 18 Find all three trig ratios of angle A 10

Answer 4 – 50 Sin(A)= 7/18 Cos(A)= 10/18 = 5/9 Tan(A)= 7/10

Question The perimeter of a square is 24in. Find the length of the diagonal.

Answer 5 – 10 6√2in

Question Solve for the missing angle (round to the nearst degree) A 12 5

Answer 5 – 20 Angle A = 22.6 degrees

Question Y Solve the triangle X Y 10 Z

Answer 5 – 30 Z= 13 X= degrees Y=45.24 degrees

Question Solve for all parts of the triangle A 15 5 B X

Answer 5 – 40 A= degrees B= degrees X=10√2

Question Solve for all parts of the triangle. Round decimals to the nearest tenth. 15 Y 25 0 X

Answer 5 – 50 X =13.59 Y = 6.34