please solve the above question please please please .
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I don't have time to solve all this questions for only 5 points but I will give some tips to solve the above questions.
Q.1 use vertically opposite angle formula.
Q.2It ia seen clearly.
Q.3 I will give this answer here .
Ab ll CD.
AD llBC
AB=BC=CD=AD.
hence [] ABCD IS CYCLIC.
Let L ABC =L ADC = x
angle ABC + angle ADC =180°
x+x=180°
2x=180
x=180/2
x = 90 °
L ABC =L ADC = x=90°
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