Oblique Triangles_Law of Sines_Law of Cosines

What triangle does not contain any right angle?

• Equilateral

• Oblique

• Reflex

• Right

What kind of triangle is the figure below?

• Acute Triangle

• Obtuse Triangle

• Right Triangle

• None of these

Which is not true about oblique triangles?

• Oblique triangle does not contain any right angle.

• Oblique triangle can be an acute triangle.

• Oblique triangle can be an obtuse triangle.

• Oblique triangle has a right angle.

What concept in Trigonometry is defined as the ratio of a side length to the sine of its opposite angle is in proportion to the other side and the sine of its opposite angle?

• Law of Cosine

• Law of Cotangent

• Law of Sine

• Law of Tangent

In the law of sines, which of the following statements is FALSE?

• 
• 
• 
• 

What is the formula using the law of sine to find n?

• 
• 
• 
• 

What is the measure of n?

• 6.79

• 2.96

• 4.67

• 8.45

In triangle ABC, If angle A is 25° and side a and b are 15 and 20 respectively, what is the measure of angle B?

• 32.16°

• 34.30°

• 45.80°

• 23.6°

What is the measure of angle B?

• 73.40

• 106.60

• 131.80

• 154.80

In triangle ABC, If angle A is 108° and side b and c are 3 and 9 respectively, what is the measure of side a? Express the answer to the nearest tenths.

• 7.4

• 8.56

• 10.3

• 106.7