Law of Sines and Cosines

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

James Gonzalez

FREE Resource

6 Slides • 3 Questions

Law of Sines and Law of Cosines Remediation

Law of Sines

- must have 2 angles in the triangle

- side lengths are OUTSIDE the triangle

- angle measures are INSIDE the triangle

- ALWAYS START WITH YOUR SIDE LENGTHS AND THEN FIND THE ANGLE MEASURES OPPOSITE THAT SIDE LENGTH

Multiple Choice

Find AB. Round your answer to the nearest whole number.

Watch this video if you missed the previous problem.

If you got the problem correct, you may skip this video.

Multiple Choice

Find AC. Round your answer to the nearest whole number.

Watch the video if you missed the previous problem.

If you got the problem correct, you may skip this video.

Law of Cosines

- will only have 1 angle given

- missing side length always goes on the left side of equals sign by itself (x²= )

Multiple Choice

Find the missing side. Round your answer to 1 decimal place.

15.9 in.

22.8 in.

19.2 in.

521.1 in.

Watch the video if you missed the previous problem.

If you got the problem correct, you may skip the video.

Law of Sines and Law of Cosines Remediation

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