lillygildner05 lillygildner05

09-02-2021
Mathematics

contestada

Please help :( Find X.
Round to the nearest tenth.

Please help Find X Round to the nearest tenth class=

Respuesta :

09-02-2021

90^2 = 55^2 + 50^2 - 2(55)(50)cosX
(90^2 - 55^2 - 50^2)/(2(55)(50)) = cosX
X = 62.1°

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