Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 4.80mm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 75.0 °]

Q1) Calculate the missing length x of the triangle to 3sf. [ 14.6m]

Q2) Calculate the missing length x of the triangle to 3sf. [ 4.94cm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q2) Calculate the angle(X) of the triangle to 3sf. [ 170° ]

Q3) Calculate the missing length x of the triangle to 3sf. [ 6.40m]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 30.0 °]

Q3) Calculate the missing angle ? of the triangle to 3sf. [ 143]

Q4) Calculate the missing length x of the triangle to 3sf. [ 4.80m]

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

Q4) Calculate the angle(X) of the triangle to 3sf. [ 1.13° ]

Q5) Calculate the missing length x of the triangle to 3sf. [ 7.21mm]

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

Q5) Calculate the angle(X) of the triangle to 3sf. [ 14.2° ]