The learner will solve for side and angles in oblique triangles using the law of sines and the law of cosines.
Solving for Sides and Angles in an Oblique Triangle
If angle A is 25°, side a is 50 inches, and side b is 100 inches, what is the measure of angle B? Round to the nearest whole number.
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Correct!
If angle A is 25°, side a is 50 inches, and side b is 100 inches, what is the measure of angle B? Round to the nearest whole number.
Correct Answer
58°
Application of the law of sines
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Incorrect
If angle A is 25°, side a is 50 inches, and side b is 100 inches, what is the measure of angle B? Round to the nearest whole number.
Your Answer
Correct Answer
58°
Application of the law of sines
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Correct!
If angle B is 60° and angle A is 25°, find the measure of angle C.
Correct Answer
95°
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Incorrect
If angle B is 60° and angle A is 25°, find the measure of angle C.
Your Answer
Correct Answer
95°
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
If angle C is 30°, side c is 30 centimeters, and angle B is 120°, find side a. Round to the nearest tenth.
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Correct!
If angle C is 30°, side c is 30 centimeters, and angle B is 120°, find side a. Round to the nearest tenth.
Correct Answer
30 cm
Triangle property and law of sines
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Incorrect
If angle C is 30°, side c is 30 centimeters, and angle B is 120°, find side a. Round to the nearest tenth.
Your Answer
Correct Answer
30 cm
Triangle property and law of sines
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
If side a is 20 feet, side b is 60 feet, and side c is 50 feet, find angle B. What formula would you use?
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Correct!
If side a is 20 feet, side b is 60 feet, and side c is 50 feet, find angle B. What formula would you use?
Correct Answer
Law of cosines, finding an angle
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Incorrect
If side a is 20 feet, side b is 60 feet, and side c is 50 feet, find angle B. What formula would you use?
Your Answer
Correct Answer
Law of cosines, finding an angle
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
If side b is 120 feet, side a is 55 feet, and angle C is 27°, what formula would you use to find side c?
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Correct!
If side b is 120 feet, side a is 55 feet, and angle C is 27°, what formula would you use to find side c?
Correct Answer
Law of cosines, finding a side
Question 1 of 10
Solving for Sides and Angles in an Oblique Triangle
Incorrect
If side b is 120 feet, side a is 55 feet, and angle C is 27°, what formula would you use to find side c?
Your Answer
Correct Answer
Law of cosines, finding a side
Question 1 of 10
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- Published
- 1/9/2014
- Last Updated
- 1/9/2014
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Solving for Sides and Angles in an Oblique Triangle by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.