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Sagot :
Answer:
j = 17.32 sq rt 3 or 30
Step-by-step explanation:
sin 60 = j/20sq rt 3
0.8660 = j/20sq rt 3
j = 17.32 sq rt 3
Answer:
Step-by-step explanation:
cos30 = j / 20√3
j = (20√3)cos30
j = (20√3)(½√3)
j = 30
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