Applying Trigonometric Ratios Along with Other Mathematical Concepts

Find the measure of angle A.

• 24

• 90

• 66

• 42

Would you use the Law of Sines

or the Law of Cosines?

• Law of Sines

• Law of Cosines

Given the triangle, find the area using the sine formula. Calculate to the nearest thousandth.

Find the area of the triangle rounded to the nearest tenth. Include the correct unit of measure. Calcula el área del triángulo redondeado a la décima más cercana. Incluya la unidad de medida correcta.

• 31.4 in

• 26.8 in

Find the area to the nearest tenth.

• A

• B

• C

• D

Find the area:

• 104.5 units²

• 120 units²

• 80.5 units²

• 2400 units²

Determine which method could be used with the given information to find the area of this triangle

• Heron's Triangle Area Formula

• SAS Triangle Area Formula

• Equilateral Triangle Area Formula

• none of these

in triangle ABC, the measure of angle c = 30 and a = 8.  If the area of the triangle is 12, what is the length of side b?

• 6

• 8

• 3

• 4

Find the area of the triangle.

​(Round to the nearest tenth if​ needed.)

• 140 km²

• 139.3 km²

• 140.4 km²

• 139.4 km²