Question

Find the value of x and y if o is the centre of the circle​

Answer 1

Answer:

x=50 y= 130

Step-by-step explanation:

We know that angle in a semicircle is right angles.

So by property that sum of angles in triangle is 180, x=50.

In quadrilateral, we know that line on a chord passing through the centre is perpendicular to the chord.

Also sum of angles in a quadrilateral is 360. So, y= 130

Hope it helps you

Answer 2

Answer:

x=50° and y=130°

Step-by-step explanation:

angle in semicircle is 90°

So, x+90+40=180  (since,  sum of angles in a triangle =180°)

      x=180-130

       x=50°

given that they are parallel lines  

So , y =180-x

     ⇒y=180-50

      ⇒y=130°

hope it helped you

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