audrey0220
audrey0220 audrey0220
  • 23-06-2021
  • Mathematics
contestada

B.
If m ZACB = 180°, and mZACD = 55°, then
mZDCB = [?]
Enter

B If m ZACB 180 and mZACD 55 then mZDCB Enter class=

Respuesta :

Аноним Аноним
  • 23-06-2021

Answer:

125

Step-by-step explanation:

/_ ACB = 180

/_ ACD = 55

/_ ACB is made up of /_ACD and

/_ DCB

Hence, /_ ACB = /_ ACD + /_ DCB

*We then plug in the known values*

180 = 55 + /_ DCB

We now solve for the missing angle

Subtract 55 from both sides

125 = /_ DCB

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