Find the area A of the circle above the rectangle and tangent to the small triangle.

Here's today's Connections answer and hints for groups. These clues will help you solve New York Times' popular puzzle game, Connections, every day!

One string in each of the following pairs can be unraveled into a circle—the so-called unknot. Which one is it?

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Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge that went viral online has math lovers excited. The puzzle asks users to ...

Draw four lines beginning and ending at the gray points to break this square into pieces that can be rearranged into five identical squares. Bonus: Suppose you can use any number of lines that begin ...

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You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...

Depicted above is a regular octagon, the shape of a stop sign. The distance L between two vertices on the octagon is L = 35.4375738925 inches. Find the area A of the entire octagon. First correct ...

The number in each polygon with n sides is the sum of the first n prime numbers’ values. The following applies to the decagon: We’d love to hear from you! E-mail us at games@sciam.com to share your ...

Given the sequence, how many pages P did this pot boiler contain?