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HELP ME PLEASE IM SO FRSTRATED
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HELP ME PLEASE IM SO FRSTRATED

HELP ME PLEASE IM SO FRSTRATED-example-1
User Anton Khirnov
by
4.1k points

1 Answer

1 vote

Answer:

x = 13.3

Explanation:

Use the cosine law:

x^2 = (8)^2 + (18)^2 -2(8)(18)cos43

= 64 + 324 - 288cos43

= 177.3

x = 13.3

User McBear Holden
by
4.1k points
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