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

How long is the leg of the race along BC? You can use a calculator to find these values. Add this document to saved. Round to the nearest foot. Round to the nearest meter. Right Triangles and Trigonometry.

You can add this document to your saved list Sign in Available only to authorized users. Have students get out their note paper pink notes in order to take notes. This should be a review of previous learning or aligned to the current learning. Really you only need to pick one formula, you just need to know where the values go. For complaints, use another form.

Give an opener that maybe relates the lesson to a real life experience or a previous lesson. Use either the Law of Cosines or sinfs Law of Sines to solve for the side or angle. A pilot flying at an altitude of 12, feet sights two airports directly in front of him. The other two variables can be switched around. You can use the Law of Cosines to solve a triangle if you are given: Process Standards addressed in the answere Add to collection s Add to saved. To be able to solve non-right triangle problems using the Law of Sines or the Law of Cosines.

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## Laws of sines and cosines review

Round the length to the nearest tenth and the angle measure to the nearest degree. So when you are given the angle, the side opposite from that angle is the variable by itself on the one side of the equation.

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The Seattle Space Needle casts a meter shadow. You can add this document to your study collection s Sign in Available only to authorized users. Go through the guided practice on page How long would this cable be, and what angle would it make with the ground?

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Have students get out their note paper pink notes in order to take notes. Go through notes transparency, explaining each section and highlighting important parts. Really you only need to pick one formula, you just need to know where the values go. You can use the Law of Sines to solve a triangle if you are given: Ask students to solve ldsson the remaining side and hand the answer to you as an exit slip.

## Law of Cosines Calculator

What is the distance between the off airports? Draw a non-right triangle with SAS on the board, label one side 3, the next angle 45, and the other side 3. Round to the nearest tenth and show your work. If there are any students that get the wrong answer, make sure you explain what off right answer is and why. Find all three angle measures:. Law of Sines, Law of Cosines. Add this document to saved.

How are we supposed to memorize all of those formulas? A plane is flying at an altitude of 14, ft. 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? Another engineer suggested using a cable attached from the top anv the tower to a point 31 m from the base.

Round lengths to the nearest tenth and angle measures to the nearest degree. How many degrees must competitors turn at point C? What happens when I have a right angle? Honors Geometry Exam Practice Bank.