Solving Oblique Triangles

• 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

In triangle ABC, a = 5, b = 6, c = 7. Which law would you need to use first?

• Law of Sines

• Law of Cosines

• Both trig laws

• None of these

• Pythagorean Theorem

Find the missing angle.

• 88°

• 60°

• 92°

• 28°

Find the missing angle.

• 80°

• 55°

• 45°

• 125°

Find the missing angle.

• 30°

• 65°

• 85°

• 95°

Which of the following best describes oblique triangle?

• All angles are acute.

• One angle is obtuse.

• One angle is right.

• It does not contain any 90° angle.

What makes the figure oblique triangle?

• it has obtuse angle.

• It has right angle.

• All angles are acute.

• All angles are right.

Find the missing angle.

• 80°

• 100°

• 90°

• 110°

What classification of oblique triangle is shown in the figure?

• Acute Triangle

• Obtuse Triangle

• Acute and Obtuse Triangle

• Neither Acute nor Obtuse Triangle