Respuesta :

Angle PMU= 56 Angle UPM=62
First find PMB, so you would do 180-21-35=PMB. PMB=124
PMU would then be 180-124, so it is 56.
To find UPM, you would do 180-56-62, which equals 62.
In summary, PMU = 56, UPM = 62

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