Two circles of radii 5 cm and 6 cm with common centre are drawn. There is a line AB such that it is chord to both the circles. CD=8 cm. Find the distance of the chord from centre and the length of AC respectively.
Given, CD=8 cm
Applying Pythagoras Theorem in ΔOEC.
Now, AC=AE−CE=5.19−4=1.19 cm