Mathematics

Mathematics, 29.05.2020 22:57, leahstubbs

Triangle R S T is shown. The length of R S is 9, the length of S T is 8, and the length of R T is s. Angle R S T is 111 degrees.
Law of cosines: a2 = b2 + c2 – 2bccos(A)

What is the value of s to the nearest whole number?

10
12
13
14

answer

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Triangle R S T is shown. The length of R S is 9, the length of S T is 8, and the length of R T is s....

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