Question

What is the approximate measure of ∠ I?

17.75
43.6
46.4
72.25

Answer 1

Let the Angle (l) be θ

From the Figure :

✿
`\mathsf{Tan(\theta) = (20)/(21)}`

`\mathsf{\implies \theta = Tan^-^1((20)/(21))}`

`\mathsf{\implies \theta = 43.6}`

The Approximate Measure of ∠l = 43.6°

3rd Option is the Answer