Question

16. For triangle ABC with sides a, b, and c the Law of Cosines states the following. c^2 = 17. Use the Law of Cosines to determine the indicated side x. (Assume b = 19 and c = 38. Round your answer to one decimal place.) x = 26.1 18. Use the Law of Cosines to determine the indicated angle ?. (Assume a = 66.01, b = 35.22, and c = 42.35. Round your answer to two decimal places.) ? =

          16. For triangle ABC with sides a, b, and c the Law of Cosines states the following.
c^2 = 

17. Use the Law of Cosines to determine the indicated side x. (Assume b = 19 and c = 38. Round your answer to one decimal place.)
x = 26.1

18. Use the Law of Cosines to determine the indicated angle ?. (Assume a = 66.01, b = 35.22, and c = 42.35. Round your answer to two decimal places.)
? =

16. For triangle ABC with sides a, b, and c the Law of Cosines states the following.
c^2 =

17. Use the Law of Cosines to determine the indicated side x. (Assume b = 19 and c = 38. Round your answer to one decimal place.)
x = 26.1

18. Use the Law of Cosines to determine the indicated angle ?. (Assume a = 66.01, b = 35.22, and c = 42.35. Round your answer to two decimal places.)
? =

Added by Michael C.

Introductory and Intermediate Algebra for College Students 4th

Robert Blitzer 4th Edition

Instant Answer

Solved by Expert Kathleen Carty

09/17/2022

Step 1

1 \) Using the formula \( c^2 = a^2 + b^2 - 2ab \cos(C) \), we can solve for side X: \[ X = \sqrt{b^2 + c^2 - 2bc \cos(A)} \] \[ X = \sqrt{19^2 + 38^2 - 2(19)(38) \cos(A)} \] \[ X = \sqrt{361 + 1444 - 1444 \cos(A)} \] \[ X = \sqrt{361 + 1444 - 1444 \cos(A)} \] \[ X Show more…

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For triangle ABC with sides a, b, and c, the Law of Cosines states the following: c^2 = a^2 + b^2 - 2ab * cos(C) Use the Law of Cosines to determine the indicated side X = 126.1 (Assume a = 19 and b = 392. Round your answer to one decimal place.) Use the Law of Cosines to determine the indicated angle θ (Assume a = 66.01, b = 35.22, and c = 42.35. Round your answer to two decimal places.)