Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 6.89cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 60.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 4.69m]

Q2) Calculate the missing length x of the triangle to 3sf. [ 5.57mm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q2) Calculate the angle(X) of the triangle to 3sf. [ 106° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 7.31m]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 25.0 °]

Q3) Calculate the missing length x of the triangle to 3sf. [ 83.1mm]

Q4) Calculate the missing length x of the triangle to 3sf. [ 7.72mm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 75.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 70.3m]

Q5) Calculate the missing length x of the triangle to 3sf. [ 2.32m]

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

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 22.5]