Eratosthenes and the circumference of the earth

This problem solving task gives an interesting context for implementing ideas from geometry and trigonometry.
Resource ID#: 44541 Type: Problem-Solving Task
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General Information

Subject(s): Mathematics
Grade Level(s): 9, 10, 11, 12
Intended Audience: Educators educators, Students , Parents
Suggested Technology: Adobe Acrobat Reader, Microsoft Office
Instructional Time: 20 Minute(s)
Keywords: circumference, geometry, trigonometry, Florida Standards, Pythagorean Theorem, hypotenuse, legs, right triangle, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, resource, free, freely available, problems-based learning, student activities, parallel lines, circle, angle, line segments, circle, central angle, inscribed angle, arc, intercepted arc, center of a circle, radius, radii, angle measure, arc measure, vertex
Instructional Component Type(s): Problem-Solving Task
Resource Collection: Illustrative Mathematics

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