Cosine and Sine Rule

Find the missing angle θ

• 27.9^o

• 29.2^o

• 26.8^o

• 45^o

Find the missing side x

• 6.65cm

• 1.74cm

• 5.66cm

• 7.14cm

Find the missing side x

• 60.5mm

• 10.3mm

• 30.1mm

• 58.1mm

Find the missing side x

• 6.39cm

• 12.7cm

• 7.31cm

• 8.13cm

Find the missing side x

• 30.4cm

• 925cm

• 42.3cm

• 21.9cm

Find the missing side x

• 2.36cm

• 9.21cm

• 3.16cm

• 4.51cm

• 11.9cm

• 16.3cm

• 23.6cm

• 10.8cm

Find the missing angle θ

• 68^o

• 133^o

• 116^o

• 121^o

Find the area of the triangle

• 27.6m²

• 28.0m²

• 26.9m²

• 26.9cm²

Find the area of the triangle

• 72.3cm²

• 84.4cm²

• 77.9cm²

• 78cm²