sa2717542 sa2717542

09-04-2021
Mathematics

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PLs help me. I need to find the measure of B

PLs help me I need to find the measure of B class=

Respuesta :

09-04-2021

Answer: 52

Step-by-step explanation:

cos=7/11.4 -> cos-1(cosB) = cos-1(7/11.4)

m<B = cos-1(7/11.4) = 52

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