### LESSON 8-5 PROBLEM SOLVING LAW OF SINES AND LAW OF COSINES ANSWERS

You can use a calculator to find these values. Find all three angle measures: The angle of depression to one airport is 78 degrees, and the angle of depression to the second airport is 19 degrees. Teacher Responses, Hints, and Questions. Add to collection s Add to saved.

How are we supposed to memorize all of those formulas? Round lengths to the nearest tenth and angle measures to the nearest degree. Draw a non-right triangle with SAS on the board, label one side 3, the next angle 45, and the other side 3. What is the horizontal distance from the plane to the tower? Find all three angle measures:.

Have students get out their note paper pink notes in order to take notes. Add this document to collection s. The other two variables can be switched around. If the angle of elevation from the tip of the shadow to the top of the Space Needle is 70 degrees, how tall is the Space Needle?

You can add this document to your saved list Sign in Available only to authorized users. Use either the Law of Cosines or the Law of Sines to solve for the side or angle.

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Round lengths to the nearest tenth and angle measures to the nearest degree. You can use the Law of Sines to solve a triangle if you are given: Round to the nearest hundredth. Ask students to solve for the remaining side and hand the answer to you as an exit slip.

The Seattle Space Needle casts a meter shadow. Round to the nearest meter. You can start by asking yourself what you are looking for and what you are given. Really you only need to pick one formula, you just need to know where the values go. Round the length to the nearest tenth and the angle measure to the nearest degree. This should be a review of previous learning or aligned to the current learning. Suggest us how to improve StudyLib For complaints, use another form.

You can use a calculator to find these values. What is the horizontal distance from the plane to the tower? The angle of depression to one airport is 78 degrees, and the angle of depression to the second airport is 19 degrees.

Classify each angle as an angle of elevation or an angle of depression: To be able to solve non-right triangle problems using the Law of Sines or the Law of Cosines. A pilot flying at an altitude of 12, feet sights two airports directly in front of him.

Do I need to memorize when each formula needs to be used? You will notice that if I use. Upload document Create flashcards. Add to collection s Add to saved.

Have overhead ready with notes transparency. What is the distance between the two airports?

# Laws of sines and cosines review (article) | Khan Academy

Give an opener that maybe relates the lesson to a real life experience or a previous lesson. Your e-mail Input it if you want to receive answer. Another engineer suggested using a cable attached from the top of the tower to a point 31 m from the base. Find all three angle measures: How long would this cable be, and what angle would it make with the ground?

How many degrees must competitors turn at point C? Anticipated Student Questions and Responses.