Print PDF worksheet below, then find the area of the triangle and answer to the nearest tenth. Use the Cosine formula (law of cosine) to calculate.

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By Deb Russell

Print the Cosine Worksheet/Printable in PDF Determine which law of cosine to use to solve the area of the triangle. The answers are on the 2nd page of the PDF worksheet.

Print PDF worksheet below, then find the area of the triangle and answer to the nearest tenth. Use the Cosine formula (law of cosine) to calculate.

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- Law of Cosine Worksheet # 1
- Law of Cosine Worksheet # 2
- Law of Cosine Worksheet # 3
- Law of Cosine Worksheet # 4
- Law of Cosine Worksheet # 5

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