Area of Non Right Triangles Using Sine

What rule should you use?

• Sine

• Cosine

Which rule can be used directly for this triangle?

• The Sine Rule

• The Cosine Rule

• The Area of a Triangle

• Pythagoras' Theorem

Find the area of the triangle

• 27.6m²

• 28.0m²

• 26.9m²

• 26.9cm²

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Find Sin C

• 21/20

• 20/29

• 21/29

• 20/21

• 29/20

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Find the area of the triangle

• 72.3cm²

• 84.4cm²

• 77.9cm²

• 78cm²

Find the length of AB

• 10

• 8

• 6.1

• 4.9

• 10.1
• 10.0
• 10.9
• 8.86

Find the value of a.

• 13.35

• 12.91

• 13.05

• 12.83