PleaseHelpMeGuys3973 PleaseHelpMeGuys3973
  • 10-10-2020
  • Mathematics
contestada

Can anybody please help me out with this question I would really appreciate it so much. Please and thank you .

Can anybody please help me out with this question I would really appreciate it so much Please and thank you class=

Respuesta :

Qetsiyah4
Qetsiyah4 Qetsiyah4
  • 10-10-2020

(7x+2)° = (9x–8)°

=>7x –9x = –8–2

=> –2x = –10

=> x = 10/2

=> x = 5

<ADB = (7x+2)°

= 7×5+2

= 37°

<BDC = (9x–8)°

= 9×5–8

= 45 –8

= 37°

<ADC = 37° + 37°

= 74°

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