Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 4.75m]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 27.3cm]

Q2) Calculate the missing length x of the triangle to 3sf. [ 9.76cm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 85.0 °]

Q2) Calculate the missing length x of the triangle to 3sf. [ 110mm]

Q3) Calculate the missing length x of the triangle to 3sf. [ 8.72cm]

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

Q3) Calculate the angle(X) of the triangle to 3sf. [ 48.0° ]

Q4) Calculate the missing length x of the triangle to 3sf. [ 6.23mm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 75.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 71.1m]

Q5) Calculate the missing length x of the triangle to 3sf. [ 7.09mm]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 80.0 °]

Q5) Calculate the missing length x of the triangle to 3sf. [ 107cm]