Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 4.18cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 20.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 89.1cm]

Q2) Calculate the missing length x of the triangle to 3sf. [ 6.07m]

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

Q2) Calculate the missing length x of the triangle to 3sf. [ 24.4mm]

Q3) Calculate the missing length x of the triangle to 3sf. [ 1.79mm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 70.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 22.5]

Q4) Calculate the missing length x of the triangle to 3sf. [ 4.19cm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 70.0 °]

Q4) Calculate the angle(X) of the triangle to 3sf. [ 133° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 2.98mm]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 50.0 °]

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 7.50]