Mr Daniels Maths
Cosine Rule

Set 1

Set 2

Set 3

Q1) Calculate the missing length x of the triangle to 3sf. [ 3.94cm]

Q1) Calculate the missing angle X of the triangle to 3sf. [ 35.0 °]

Q1) Calculate the angle(X) of the triangle to 3sf. [ 79.2° ]

Q2) Calculate the missing length x of the triangle to 3sf. [ 4.03cm]

Q2) Calculate the missing angle X of the triangle to 3sf. [ 30.0 °]

Q2) Calculate the missing length x of the triangle to 3sf. [ 34.6cm]

Q3) Calculate the missing length x of the triangle to 3sf. [ 8.98mm]

Q3) Calculate the missing angle X of the triangle to 3sf. [ 40.0 °]

Q3) Calculate the missing length x of the triangle to 3sf. [ 73.7mm]

Q4) Calculate the missing length x of the triangle to 3sf. [ 3.77mm]

Q4) Calculate the missing angle X of the triangle to 3sf. [ 20.0 °]

Q4) Calculate the missing length x of the triangle to 3sf. [ 37.4cm]

Q5) Calculate the missing length x of the triangle to 3sf. [ 3.03cm]

Q5) Calculate the missing angle X of the triangle to 3sf. [ 95.0 °]

Q5) Calculate the missing angle ? of the triangle to 3sf. [ 150]