Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 8.53m]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 35.0 °]

Q1) Calculate the missing angle ? of the triangle to 3sf. [ 82.5]

Q2) Calculate the missing length x of the triangle to 3sf. [ 3.23m]

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

Q2) Calculate the angle(X) of the triangle to 3sf. [ 13.9° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 8.50cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 85.0 °]

Q3) Calculate the missing length x of the triangle to 3sf. [ 45.9m]

Q4) Calculate the missing length x of the triangle to 3sf. [ 2.05m]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q4) Calculate the angle(X) of the triangle to 3sf. [ 87.6° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 5.84mm]

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

Q5) Calculate the angle(X) of the triangle to 3sf. [ 32.3° ]