Even when angles seem to be far from one another, their measures can be related. Can you find this relationship?
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As a prank, students at a university paint over their presidents' portraits in an elaborate way. What are their final colors?
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The average speed isn't just the arithmetic average of speeds. Don't forget about it when solving today's challenge.
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In triangles, angle measures are connected to one another. You can deduce the measure of the yellow angle from its relationships with other angles.
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There’s a quick way to check if a figure can be traced. Can you find the maximum length that can be traced?
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In this puzzle, you can change some additions to subtractions. Think carefully how each of these swaps will impact the result.
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In this challenge, we want to measure 7 liters of water using two differently sized containers. Which size of container won’t be helpful?
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