Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 7.95m]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 65.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 69.0cm]

Q2) Calculate the missing length x of the triangle to 3sf. [ 3.88m]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 70.0 °]

Q2) Calculate the missing length x of the triangle to 3sf. [ 36.2mm]

Q3) Calculate the missing length x of the triangle to 3sf. [ 7.55cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 50.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 135]

Q4) Calculate the missing length x of the triangle to 3sf. [ 6.93mm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 40.0 °]

Q4) Calculate the missing angle ? of the triangle to 3sf. [ 52.5]

Q5) Calculate the missing length x of the triangle to 3sf. [ 5.03m]

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

Q5) Calculate the missing length x of the triangle to 3sf. [ 32.1mm]