Question

if o is the centre of the circle then find the value of x

Answer 1

GIVE FULL QUESTION PLZ

Answer 2

Answer:

in figure,

angle CAD=x

angle BCD=2x

we know according to circle concept ,

angle CAD = angle CBD

so,

angle CBD=x

also line BC contains center of circle hence triangle CDB is right angle triangle.

hence,

angle CDB= 90 degree

now

we know ,

sum of all angles of triangle is equal to 180 degree .

so,

angle BCD +angle CBD +angle CDB=180

2x + x +90 =180

=> 3x=180-90

=> x=90/3

=> x=30 degree

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