This is a math topic centered on learning and practicing the calculation of the area of a circle from its radius. It is a part of geometry, specifically the introductory components of determining a circle's area. The topic instructs students to calculate the area without using a calculator and encourages the estimation of pi as a number slightly more than 3. The topic provides multiple-choice questions with answer options to facilitate understanding and application of the formula for finding the area of a circle.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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Find the area without using a calculator. Remember that π is just a bit more than 3.