Draw Two Circles In The Third Circle and Each Touching The Other Within The Third Circle.

[@IBOY254]

Very helpful

[@wambugumacharia-u6j]

your explanation is not clear on how to draw the 3rd 🤨

[@plinimistudios]

In this case, the radius of the third circle is 30mm.
From 00:53s,
CD=30mm,
BE=30mm,
With radius O'D describe an arc at point D,
With radius OE, describe an arc at point E,
To meet at O'' which is the center of the 3rd circle