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Answered by
1
Answer:
130°
Step-by-step explanation:
angle ABC +angle BAC + angle ACB=180°
45°+25°+x=180°
70°+x=180°
x=110°
angle ACD + angle ACB=180°
y+110°=180°
y=70°
angle AED= angle ACD+ angle EDC
Z= 70°+60°
Z= 130°
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Answered by
1
Answer:
b)130
Step-by-step explanation:
in triangle sum of all angles equals to 180 degrees
So In triangle ABC
a+b+c=180
a=25,b=45
25+45+c=180
c==180-70
c=110
in BD line CA is aray
by linear angle equation
angle acb+angleacd=180
c=110
angleacd+110=180
angle acd=70
in triangle CED
c=70,d=60
c+e+d=180
E=180-130
E=50
inline AC Ed is aray
by linear angle equation
angle AED+angleCED=180
angleAED+50=180
angleAED=180-50
angleAED=130
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