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 angle ? of the triangle to 3sf. [ 150]

Q2) Calculate the missing length x of the triangle to 3sf. [ 1.09mm]

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

Q2) Calculate the missing length x of the triangle to 3sf. [ 91.2cm]

Q3) Calculate the missing length x of the triangle to 3sf. [ 2.82cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 55.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 128]

Q4) Calculate the missing length x of the triangle to 3sf. [ 12.2mm]

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. [ 6.74m]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 85.0 °]

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 75.0]