christopheracuna3311 christopheracuna3311

06-07-2021
Mathematics

contestada

Find the measure of angle A.
54.99
35.1°
50.7°
39.3°

Find the measure of angle A 5499 351 507 393 class=

Respuesta :

06-07-2021

Hi there!

[tex]\large\boxed{35.1^o}}[/tex]

We can once again use right triangle trig:

We are given the hypotenuse and adjacent sides, so cosine must be used:

cosA = A / H

thus:

cosA = 9/11

Use inverse trig to solve:

cos⁻¹(9/11) ≈ 35.1°

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