Question 22
A circle has centre (3, 2) and radius 5.8. How many lattice points lie inside it? A lattice point has integer x- and y-coordinates.
Interpretation: “Inside” means strictly inside the circle.
Answer format: enter the integer answer without units. Leading zeros are optional; the original paper uses four-digit boxes.
Interpretation: “Inside” means strictly inside the circle.
Answer format: enter the integer answer without units. Leading zeros are optional; the original paper uses four-digit boxes.