Matematika 4 Razred Krug I Kruznica Zadaci Here

Petar's curiosity was piqued, and he stepped into the circle. Suddenly, he found himself transported to a fantastical realm where circles and circumferences came to life.

The next task was: "If a circle has a diameter of 10 cm, what is its area?" Petar thought again and wrote: "A = π × (d/2)² = 3.14 × (10/2)² = 78.5 cm²." Matematika 4 Razred Krug I Kruznica Zadaci

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In this realm, he met a friendly circle named Krug who introduced himself as the ruler of the land. Krug explained that his kingdom was filled with various shapes, but his people, the circles, were facing a problem. Petar's curiosity was piqued, and he stepped into the circle

Petar bravely accepted the challenge. Krug handed him a magical pencil and a worksheet containing various tasks related to circles and circumferences. In this realm, he met a friendly circle

Finally, Petar solved the last Zadaci: "A circle has a circumference of 31.4 cm. What is its radius?" With a flourish, Petar wrote: "C = 2 × π × r => r = C / (2 × π) = 31.4 / (2 × 3.14) = 5 cm."