See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
12 questions from this quiz
161616 cm
πr2\pi r^2πr2
2πr2\pi r2πr
Calculator's π\piπ key
A slice between two radii and an arc
Fraction of the whole circle
x360×πr2\frac{x}{360} \times \pi r^2360x×πr2
x360×2πr\frac{x}{360} \times 2\pi r360x×2πr
100π\frac{100}{\pi}π100
πr22\frac{\pi r^2}{2}2πr2
πr2\frac{\pi r}{2}2πr
Square units (e.g., cm²)
Select your subjects, and get access to A+ resources today.