22. tan 75 = tree height/4

or tree height = 4 * tan 75 = 14.928 ft = 14.9 ft

23. height = 4 * tan 55 = 5.712 = 5.7 ft

24. tan 54 = x/32 or x = 32 * tan 54 = 44.04

25. tan 25 = x/20 or x = 20 * tan 25 = 9.326

26. tan 38 = 10/x or x = 10 / tan 38 = 12.79

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