Common Core Mathematical Content Standards:
HS.G.C.5: Find arc lengths and areas of sectors of circles.
**This could possibly be done in 7th grade using the idea that you only want a certain percent of a circle .
**7.EE.3: Solve multi-step real-life and mathematical problems posed with rational numbers in any form.
**7.G.4: Know the formulas for the area and circumference of a circle and use them to solve problems.
Grades 7, High School