Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 1.22cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q1) Calculate the missing angle ? of the triangle to 3sf. [ 45.0]

Q2) Calculate the missing length x of the triangle to 3sf. [ 6.49mm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 35.0 °]

Q2) Calculate the angle(X) of the triangle to 3sf. [ 31.5° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 2.73mm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 35.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 105]

Q4) Calculate the missing length x of the triangle to 3sf. [ 11.2cm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 45.0 °]

Q4) Calculate the angle(X) of the triangle to 3sf. [ 103° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 6.09m]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 143]