Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 5.04mm]

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

Q1) Calculate the missing length x of the triangle to 3sf. [ 23.3m]

Q2) Calculate the missing length x of the triangle to 3sf. [ 7.26m]

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

Q2) Calculate the angle(X) of the triangle to 3sf. [ 97.6° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 1.17cm]

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

Q3) Calculate the angle(X) of the triangle to 3sf. [ 164° ]

Q4) Calculate the missing length x of the triangle to 3sf. [ 9.13m]

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

Q4) Calculate the missing angle ? of the triangle to 3sf. [ 67.5]

Q5) Calculate the missing length x of the triangle to 3sf. [ 10.7cm]

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

Q5) Calculate the angle(X) of the triangle to 3sf. [ 25.3° ]