objectives - lehi math
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Objectives: - Determine if 3-dimensional shapes are similar
- Determine scale factor, ratio of surface areas, & ratio of
volumes of 3-dimensional shapes
- Solve real world problems involving ratio & scale factor
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How would you check to see if 3-dimensional shapes are
similar?
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Are the two shapes similar?
If so, what is the scale factor
from the smaller to the larger shape?
What is the ratio of their surface
areas?
What is the ratio of their volumes?
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Remember how we took the ratios of the
areas of two similar shapes and found their
scale factor?
How do you think we would find the scale
factor of two 3-dimensional shapes if we
knew the ratio of their volumes?
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How would you approach this problem?
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Assignment:
Section 8.6: problems 9, 10, 12, 13, 15-26, 28,
32a & b