Respuesta :

Given angle ADS and angle BCT are complementary that is,

angle ADS + angle BCT = 90 degree

3z-1 + z+7 = 90

4z-6 = 90

4z = 90+6

z = 96/4

z = 24

angle ADS = 3(24)-1=71 degree.

To know more about angles from the link:

brainly.com/question/13344258

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