Practice problem
What formula would you use to find the area of this circle?
A = π2r2\text{A = }\pi^{2}r^{2}A = π2r2
A = (πr)2\text{A = }(\pi r)^{2}A = (πr)2
A = π(r)2\text{A = }\pi (r)^{2}A = π(r)2
Not enough information.
Type a concept, like “slope” or “photosynthesis”.
