Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 2.24cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 60.0 °]

Q1) Calculate the missing angle ? of the triangle to 3sf. [ 128]

Q2) Calculate the missing length x of the triangle to 3sf. [ 6.49mm]

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

Q2) Calculate the angle(X) of the triangle to 3sf. [ 46.8° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 6.88cm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q3) Calculate the angle(X) of the triangle to 3sf. [ 29.5° ]

Q4) Calculate the missing length x of the triangle to 3sf. [ 7.52m]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 90.0 °]

Q4) Calculate the missing angle ? of the triangle to 3sf. [ 7.50]

Q5) Calculate the missing length x of the triangle to 3sf. [ 5.57cm]

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

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