Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 6.43m]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 40.0 °]

Q1) Calculate the missing angle ? of the triangle to 3sf. [ 82.5]

Q2) Calculate the missing length x of the triangle to 3sf. [ 5.92cm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 45.0 °]

Q2) Calculate the missing angle ? of the triangle to 3sf. [ 75.0]

Q3) Calculate the missing length x of the triangle to 3sf. [ 4.84cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 65.0 °]

Q3) Calculate the missing length x of the triangle to 3sf. [ 25.8m]

Q4) Calculate the missing length x of the triangle to 3sf. [ 7.37m]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 60.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 76.4cm]

Q5) Calculate the missing length x of the triangle to 3sf. [ 7.12m]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 55.0 °]

Q5) Calculate the missing length x of the triangle to 3sf. [ 95.6mm]