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ZB = 180 180 o 75°. 105 105 Step 2 From the figure, c = 250 250 m and a = 220 220 m. Step 3 Recall the Law of Cosines in the

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Quel LB=1050, C=9.50m, q=220m Solu cosine law By 오 2 b ogro? 6² = (²+9² - Q ca cosB Ő +(920) 2(150X220) CO2(105) 12 =2509 +62

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