Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 4.11mm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 30.0 °]

Q1) Calculate the angle(X) of the triangle to 3sf. [ 29.9° ]

Q2) Calculate the missing length x of the triangle to 3sf. [ 9.10m]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 80.0 °]

Q2) Calculate the missing angle ? of the triangle to 3sf. [ 120]

Q3) Calculate the missing length x of the triangle to 3sf. [ 6.98cm]

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

Q3) Calculate the angle(X) of the triangle to 3sf. [ 2.60° ]

Q4) Calculate the missing length x of the triangle to 3sf. [ 6.59cm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 80.0 °]

Q4) Calculate the angle(X) of the triangle to 3sf. [ 14.7° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 9.02mm]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 30.0 °]

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 67.5]