3 years ago

What is the approximate measure of I

2 answers:

3 0

Let θ = m∡I

tan θ = 20/21
tan⁻¹ (20/21) = θ

θ ≈ 43.60° or if you need to round to another decimal point, plug the equation I put in bold into a calculator.

Black_prince [1.1K]3 years ago

3 0

Tan I = opposite/adjacent
      = segment TR/segment TI
   = 20/21
tan^-1(tan I) = tan^-1 (20/21)
    I = 43.6°

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