In quadrilateral ABCD ,angle A=60 B=70 C=120 FIND D
Answers
Answered by
17
All angles of quadrilateral=360°
So,60°+70°+120°+x=360°
130°+120°+x=360°
x=360°-250°
x=110°
So,60°+70°+120°+x=360°
130°+120°+x=360°
x=360°-250°
x=110°
Answered by
5
Answer:
Step-by-step explanation:
Angle A+B+C+D=360
60+70+120+D=360
250+D=360
D=360-250
D=110
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