Respuesta :

rgjkl321

Answer:

6x - 12 = 90°(being right angled triangle)

or 6x =90+12

or x = 102/6

or x = 17

deshantharindu547

Answer:

answer is 17 degree

Step-by-step explanation:

6x- 12= 90

6x = 90+12

6x= 102

x= 102/6

x=17degree

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