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From the figure #1, if a = 18, b = 14, what is the measurement of the ∠A in degrees? Round your answer to the nearest hundredth.

From The Figure 1 If A 18 B 14 What Is The Measurement Of The A In Degrees Round Your Answer To The Nearest Hundredth class=

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RichardDumbriguego

We can use the sine ratio to solve the problem:

  • sin A = 18 / 22.80
  • sin A = 0.7894736842

Use its opposite

  • sin -1 (0.7894736842)
  • 52.1363536373

A = 52.14 °

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