Question

Find the measure of XY, if XY=12cm.

• A. 6cm
• B. 12cm
• C. 10cm
• D. 8cm

Answer 1

The correct option is B 12cm

As XY and MN are making equal angles at the centre,
$\angle MON=\angle XOY$
and MO=OY (radii of the same circle)
Similarly ON=OX.

$\therefore \Delta MON\cong \Delta YOX$
$\to MN=XY=12cm$