Volume of Cones Formula & Examples | 8th Grade Math
Perfect for students in traditional classrooms, homeschool families, and anyone who needs a clear math explanation!
Learn how to find the volume of cones using the formula V = ⅓πr²h in this 8th grade geometry lesson. Includes comparison to cylinder volume!
✏️ Topics covered:
• Understanding the relationship between a cylinder and a cone with the same base and height
• A cone holds exactly one-third the volume of the corresponding cylinder
• Volume formula for cones: V = ⅓ × π × r² × h
• Identifying the radius of the circular base and the HEIGHT (not slant height) of the cone
• Calculating cone volume when given radius and height
• Calculating cone volume when given diameter (find radius first)
• Using π ≈ 3.14 for decimal approximations
• Real-world cone volume: ice cream cones, traffic cones, funnels, and party hats
📚 Mrs.D Math helps students master math one lesson at a time.
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You can shop for the worksheet that follows along with this video in my Teachers Pay Teachers store.
https://www.teacherspayteachers.com/P...
TEKS 8.6B, 8.7A
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