Area of a Triangle Using Trig Formulas

Find the area of ABC to the nearest tenth.

• 62.3 units²

• 124.6 units²

• 77.0 units²

• 45.3 units²

• 52.1 sq cm

• 89.5 sq cm

• 47.6 sq cm

• 15.2 sq cm

Find Area of ABC

• 223.6 units²

• 73.1 units²

• 52.7 units²

• 3.3 units²

What is the area of a triangle with two sides that measure 6 m and 8 m with an included angle of 137°?

• 17.8m²

• 14.6m²

• 16.4m²

• 12.9m²

What is the area of a triangle with two sides that measure 5 cm and 8 cm with an included angle of 39°?

• 15.9cm²

• 12.6cm²

• 15.3cm²

• 16.2cm²

If the sides of a triangle are 8, 8, and 8, what is the area?

• 8

• 15.58

• 27.71

• 62.91

What is the area of this triangle?

• 14.494 meters squared
• 108.184 meters squared
• 54.092 meters squared
• 54.35 meters squared

Find the area:

• 104.5 units²

• 120 units²

• 80.5 units²

• 2400 units²

What is this Triangle's area?

• 8.0

• 17.9

• 80.0

• 8.97

Which area formula works for this triangle?

• ½(5)(7)cos(49⁰)

• (5)(7)sin(49⁰)

• ½(5)(7)sin(49⁰)

• all of these