OC and OD are the bisectors of ZBCD and ZADC respectively. If
ZADC = 70° and ZBCD = 60°, find the measures of ZDOC and ZABC.
.............
Attachments:
Answers
Answered by
9
Answer:
angle DOC =115
and ABC= 130
Step-by-step explanation:
ODC is half of ADC and OCD will be half of BCD
so in the triangle ODC sum of all angles equals to 180
35+30+DOC=180
DOC=180-65
DOC=115
and in Quadrilateral ABCD sum of all the angles =360
A+B+C+D=360
100+B+70+60=360
B=360-230
B=130
Similar questions