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What is the value of s to the nearest whole number? HELP!
4 months ago
Q:
What is the value of s to the nearest whole number? HELP!
Accepted Solution
A:
Answer:14Step-by-step explanation:Using the law of cosines on ΔRST, thens² = 9² + 8² - (2 × 9 × 8 × cos111° ) = 81 + 64 - ( 144 × cos111° ) = 145 - (- 51.6) = 145 + 51 . 6 = 196.6 ( take the square root of both sides )s = [tex]\sqrt{196.6}[/tex] ≈ 14