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MathematicsMathematics
26 June, 03:12

MZ B = 250mZD=459mZE = 25ºmZA = ?

A. 45°

B. 55°

C. 85°

D. 110°

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Answers (1)
  1. 26 June, 03:18
    0
    Step-by-step explanation:

    a/sina = b/sinb=c/sinc = d=sind

    250/sin25 = 459/sinb

    250sinb = 459sin25 = 459 (0.42261826174) = 193.981782139

    sin b = 193.981782139/250 = 0.77592712855

    b = sin⁻¹0.77592712855 = 50.88916502
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