Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 6.44m]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 50.0 °]

Q1) Calculate the angle(X) of the triangle to 3sf. [ 22.5° ]

Q2) Calculate the missing length x of the triangle to 3sf. [ 2.78m]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q2) Calculate the angle(X) of the triangle to 3sf. [ 118° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 4.93cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 70.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 113]

Q4) Calculate the missing length x of the triangle to 3sf. [ 7.87cm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 30.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 86.2cm]

Q5) Calculate the missing length x of the triangle to 3sf. [ 3.09m]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q5) Calculate the missing length x of the triangle to 3sf. [ 32.1mm]