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5/9 = (60 – 35) / x We get x = 45 Let PS and QK are two poles. tan θ in ∆ SLR is 5 / 9 = 25 / LR = LR = 45 cm
8, ?, 29, 57, 113, 225
362 452 550 656 770 892 ?
...37, 57, 82, ?, 147, 187
10, 18, 53, 115, 204, ?
312, 302, 282, ?, 212, 162
178 168 148 ? 78 28
12, 33, 45, 78, 123, 201, ?
24 12 18 ? 157.5 708.75 3,898.125
126 56 ? 12 10 2
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