Respuesta :

Answer:

∠7 = 90°

Step-by-step explanation:

∠7 = 180 - 90

∠7 = 90°

see image below

Ver imagen ricchad

Answer:

90°

Step-by-step explanation:

angle 7 is supplementary to the angle next to itself which has a measurement of 90° and since the sum of two supplementary angle would be 180° we can say that m<7 = 90° as well

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