Question Number 121587 by Maclaurin Stickker last updated on 09/Nov/20
Commented by Maclaurin Stickker last updated on 09/Nov/20
$${O}_{\mathrm{2}} ,\:{O}_{\mathrm{1}} \:{and}\:{O}\:{are}\:{centers}\:{of}\:{circles}.\: \\ $$$${B}\:{and}\:{O}_{\mathrm{2}} \:{are}\:{tangency}\:{points}. \\ $$$${Radius}\:{of}\:{circe}\:{O}_{\mathrm{1}} \:{is}\:\mathrm{1}. \\ $$$${Find}\:{PQ}. \\ $$