1

Sin A = 12/35 =0.342857

A = 20.05

2

x/65 = sin 72

x =61.8187+5 =66.82

3

245 tan 52^{0} + 245 tan 26^{0 } = 313.6+119.5 = 433.1 feet

4

350 tan 53^{0} +350 tan 36^{0 } =464.4+254.3 = 718.7

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