Product Overview
This 12x18 inch poster is printed on premium, durable paper. Proudly Made in the USA by PosterEnvy. The perfect size for any room. PosterEnvy is a family owned business, delivering top-notch posters around the world for over 20 years. Our posters are designed to last — they won't fade or pucker for years of enjoyment. Every poster features crisp, vivid artwork. We are a solar powered company. This educational math poster clearly illustrates the circumference and area formulas for circles, with worked examples using a 3-inch radius.
- Premium Print: This PosterEnvy 12x18 inch poster is printed on Durable, Heavy Duty Paper, Designed to last many years. Features the circles circumference and area formulas with clear worked examples.
- Proudly Made in the USA: PosterEnvy is a Family owned business, delivering top-notch posters around the world for over 20 years. Great for middle school math classrooms and homeschool learning.
- Solar Powered Production: All our posters are designed and printed using solar energy, with crisp vivid artwork. Clean modern math design in navy, sky blue, orange and white.
- Educational Circle Formulas: Large circle diagram shows radius labeled r = 3 in. with circumference C = 2πr and area A = πr² formulas clearly displayed. Worked examples show C ≈ 18.84 in and A ≈ 28.26 sq in.
- Perfect Gift Idea: Great for math teachers, students, homeschool families, and classroom decoration. Ideal for grade 7 geometry lessons, tutoring centers, and study rooms.
