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Law of Cosines
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Problem 5
Law of Cosines
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13. Non-Right Triangles / Law of Cosines / Problem 5
Problem 5
Determine the area of the triangle PQR.
p = 88.4 cm, q = 123 cm, r = 64.8 cm
A
1738 cm
2
B
1378 cm
2
C
3756 cm
2
D
2756 cm
2
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