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Math Puzzle for July 11, 2025

Only 358 days left until another spectacular 4th of July parade

Alameda Post - two congruent circles overlap. The top intersection is labeled A and the bottom intersection is labeled B. [1]
Two intersecting, congruent circles form a composite figure.
The circumferences of the circles intersect at points A and B.
The distance between points A and B is 41.0057270676 meters.
The total area of the composite figure is 1764 square meters.

Find the radius R of one of the circles.

Send the correct answer to [email protected] [2] for a chance to win a Tucker’s ice cream gift card.

Last week’s winner [3] was Doug Bailey with A = 6945 square meters.

Jeff Smith is a former Math teacher and a retired US Navy Lieutenant Commander. Reach him at [email protected] [2].