Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 6.16cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 45.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 8.67mm]

Q2) Calculate the missing length x of the triangle to 3sf. [ 2.35cm]

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

Q2) Calculate the angle(X) of the triangle to 3sf. [ 79.7° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 6.36m]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 75.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 67.5]

Q4) Calculate the missing length x of the triangle to 3sf. [ 5.43m]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 65.0 °]

Q4) Calculate the angle(X) of the triangle to 3sf. [ 38.6° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 3.32m]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 45.0 °]

Q5) Calculate the missing length x of the triangle to 3sf. [ 116mm]