Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 8.60mm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 20.0 °]

Q1) Calculate the missing angle ? of the triangle to 3sf. [ 75.0]

Q2) Calculate the missing length x of the triangle to 3sf. [ 1.39m]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 25.0 °]

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

Q3) Calculate the missing length x of the triangle to 3sf. [ 1.04m]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q3) Calculate the angle(X) of the triangle to 3sf. [ 115° ]

Q4) Calculate the missing length x of the triangle to 3sf. [ 5.97m]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 55.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 13.1mm]

Q5) Calculate the missing length x of the triangle to 3sf. [ 7.73cm]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 20.0 °]

Q5) Calculate the missing length x of the triangle to 3sf. [ 74.9m]