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Determine the length of AB to the nearest tenth of a metre. pls help!!

Determine the length of AB to the nearest tenth of a metre. pls help!!
asked 74.1k views
17 votes
Determine the length of AB to the nearest tenth of a metre.

pls help!!

Determine the length of AB to the nearest tenth of a metre. pls help!!-example-1
asked
User Yasna
by
7.6k points

1 Answer

3 votes

Answer:

  • 4.6 m

Explanation:

Use trigonometry:

  • sine = opposite / hypotenuse
  • sin 16° = AB / AD
  • sin 16° = AB / 16.8
  • AB = 16.8 sin 16°
  • AB = 4.6 m (rounded)
answered
User Lowellk
by
7.8k points
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