Trig-Area of Triangles

Front

Find the area of ABC to the nearest tenth.

Back

62.3 units²

Front

Find Area of ABC

Back

223.6 units²

Front

Area of a triangle with sides 6 m, 8 m, and included angle 137°?

Back

16.4m²

Front

Area of a triangle with sides 5 cm, 8 cm, and included angle 39°?

Back

12.6cm²

Front

Which formula shows the Law of Cosines? Options: c² = a² + b² - 4ac + cosA, c² = a² - b² - 2abcosC, c² = a² + b² - 2abcosC, (cos A)/a = (cos B)/b

Back

c² = a² + b² - 2abcosC

Front

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

Back

27.71

Front

If the sides of a triangle are 3, 4, and 5, what is the area?

Back

6

Front

Which formula would you use?
Options:

Law of Sines

,

Law of Cosines

,

A=.5bcsinA

,

Herons

Back

Law of Sines

Front

Which formula would you use?
Options: Law of Sines, Law of Cosines, Herons, A=.5acsinB

Back

Law of Cosines

Front

What is the area of this triangle? Options: 14.494 meters squared, 108.184 meters squared, 54.092 meters squared, 54.35 meters squared

Back

54.092 meters squared