SOLUTION: a triangular-shaped piece of land is fenced in. Two sides of the property are 90ft and 130ft. The included angle between these two sides is 70�0'. The length of fencing required is

Question 1102205: a triangular-shaped piece of land is fenced in. Two sides of the property are 90ft and 130ft. The included angle between these two sides is 70�0'. The length of fencing required is ______________ ft.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the law of cosines to find the missing side,

Work that out to find the missing side and then,

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