1. Which of the following correotly deseribes the steps to find the volume of a oyllnder? A. Find the circumference of the base and multiply it by the height of the cylinder. B. Find the area of the base and multiply it by the height of the cyllinder, C. Square the area of the base and multiply it by the height of the cyllinder. D. Find the area of the base and add it to the height of the oylinder. \( \begin{array}{l}\text { 2. Eric needs to find the area of the base of a } \\ \text { cylinder. Which formula should he use? } \\ \begin{array}{ll}\text { A. } 2 \pi r & \text { 3. Which of the following is a true statement } \\ \text { about the formula } V=B h \text { ? }\end{array} \\ \begin{array}{ll}\text { B. } 2 \pi r h & \text { A. "B" represents the diameter of the olrcular } \\ \text { base. } \\ \text { C. } \pi r^{2} & \text { B. "B" represents the circumference of the } \\ \text { circular base. } \\ \text { D. None of the above } & \text { C. Both A and B are true. } \\ \text { D. Neither A nor B are true. }\end{array}\end{array} \)
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To find the volume of a cylinder, you’d want to remember that it's all about the space it occupies. The correct way to think of it is like this: find the area of the circular base using the formula \(\pi r^2\), where \(r\) is the radius, and then multiply that area by the height of the cylinder. Voila! You’ve got your volume. So the answer is B. For Eric, when he’s looking to figure out the area of the base, he needs the circular base's area formula: \(\pi r^2\). So, if he measures the radius (the distance from the center of the circle to the edge), he can easily plug it into this formula. This is going to give him the area of that round base in no time! That’s answer C!
