9-5 Similar Solids
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Pre-AssessmentHandout and activitiesA store sells balls of yarn in two different sizes. The diameter of the larger
ball is twice the diameter of the smaller ball. If the balls of yarn cost $7.50 and $1.50, respectively, which ball of yarn is the better buy? Hint: compute the ratio of volumes and the ratio of costs, then compare the ratios to see which is the better buy? Web Sitesarea of a triangle and the area of a second triangle whose vertices are the midpoints of the sides of the first triangle. HomeworkPost Assessment |
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