3 years ago

I need help ASAP !!!

Mathematics

1 answer:

Vesna [10]3 years ago

6 0

Answer:

x = 7.5

Step-by-step explanation:

take 20 degree as reference angle

using cos rule

cos 20 = adjacent / hypotenuse

0.93 = 7/x

x = 7/0.93

x = 7.5

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