Math 11 - Lesson 3.2B: Area Triangle, Sine & Cosine Rules

Find the area

• A

• B

• C

• D

Find the area

• A

• B

• C

• D

Find the area of the triangle. Round answers to two decimal places.

• 2.99

• 2.50

• 3.99

• 4.01

• none of those

Find the area of the triangle. Round answers to two decimal places.

• 2.83

• 2.75

• 3.41

• 1.98

• none of those

What rule should you use?

• Sine

• Cosine

• SOH

• none of those

What rule should you use?

• Sine rule

• Cosine rule

• SOH

• none of those

What rule should you use?

• Sine rule

• Cosine rule

• CAH

• None of those

• 10.1

• 9.5

• 10.9

• 8.86

• none of those

What is the measure of angle A?

• 50 degrees

• 60 degrees

• 77.8 degrees

• 74 degrees

• none of those

Find the value of a.

• 14.4

• 12.9

• 13.0

• 12.8

• none of those