Answer:
22.43
Step-by-step explanation:
Using Cosine Law
[tex]x^{2} = 9^{2} +6.5^{2} -2*9*6.5 cos50\\\\x= 6.93\\[/tex]
Perimeter
= 9+6.5+6.93
= 22.43
For more, Find us on Youtube Genknown Tutorial.
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Answers & Comments
Answer:
22.43
Step-by-step explanation:
Using Cosine Law
[tex]x^{2} = 9^{2} +6.5^{2} -2*9*6.5 cos50\\\\x= 6.93\\[/tex]
Perimeter
= 9+6.5+6.93
= 22.43
For more, Find us on Youtube Genknown Tutorial.