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In the given figure △ACD is a right angled triangle. △ABC is an isosceles triangle with AB = A C. ACQ, E AD, are straight lines. What is the value of x?
  • a)
    60°
  • b)
    70°
  • c)
    80°
  • d)
    90°
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In the given figure △ACD is a right angledtriangle. △ABC i...

In ∅ACD ∠DAC = 180° – 140° = 40° 
∠DAC = 180° – (90° + 40°) = 50°
∠DAB = 50°+30° = 80°
x = ∠DAB = 80°
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In the given figure △ACD is a right angledtriangle. △ABC is an isosceles triangle with AB = A C. ACQ, E AD, are straight lines. What is the value of x?a)60°b)70°c)80°d)90°Correct answer is option 'C'. Can you explain this answer?
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