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MathNet 2023-part-04 — 191 problems (EN–VI) Question 46

Math Olympiad Vault · MathNet 2023-part-04 — 191 problems (EN–VI)

Question 46

A baker baked a big square cake. He wants to cut the cake. He cuts the cake only lengthwise or widthwise, all the way from one edge to the opposite edge.
At least how many cuts does the baker need in order to cut the cake into exactly $180$ pieces?

A) $25$ B) $26$ C) $27$ D) $28$ E) $29$