Area of a Triangle using Trig Formulas

Find the area of the triangle. Round your answer to 1 decimal place..

• 24.9 cm²

• 25 cm²

• 49.8 cm²

• 49.9 cm²

Find the area of the triangle. Round your answer to 1 decimal place..

• 16.8 cm²

• 15.7 cm²

• 11.5 cm²

• 11.4 cm²

Find the exact area of a triangle with two sides that measure 6 yd and 2 yd with an included angle of 10°.

• 1
• 12
• 6
• 3.26

Find the area of the triangle.

• 68.22

• 81.98

• 57.40

• 92.35

Find the area of the triangle.

• 12.73

• 11.89

• 7.35

• 15.37

The area of a triangle is 100. If c=20 and the measure of angle a is 30, what is b equal to?

• 20
• 20(squareroot 3)
• 500
• 10 (squareroot 2)

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

• 1245.87 square meters

• 3288.92 square meters

• 3500 square meters

• 6577.85 square meters

• 14529.97

• 15378.93

• 29059.94

• 9435.87

Find the area of the triangle. Hint: You will need to use the Law of Cosines to find one of the angles.

• 7.32

• 7.75

• 22.37

• 26.91