L.4
닮음비와 둘레·넓이·부피
닮음비가 k이면 둘레는 k배, 넓이는 k²배, 부피는 k³배
난이도
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문제 수
Scale Factor: Perimeter, Area & Volume
Skill L.4 · Congruence & similarity · ★★☆ Medium
- Name
- Date
Score/ 4
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Answer each question.
Example
Think: A triangle with area 12 dilated by 3: lengths are multiplied by 3, areas by , and volumes by .
- 1A cone has a volume of cm³. It is dilated by a scale factor of . What is the new volume?
- 2Two similar cylinders have volumes of ft³ and ft³. What is the scale factor from the smaller to the larger?
- 3A triangle has a area of m². It is dilated by a scale factor of . What is the new area?
- 4Two similar cones have volumes of ft³ and ft³. What is the scale factor from the smaller to the larger?
Answer Key
L.4 Scale Factor: Perimeter, Area & Volume · ★★☆ Medium
- 1 cm³
- 2
- 3 m²
- 4