Cannot emsee the whole question, do provide the whole clear problem set
2 years ago
Mr. T
First, measure and note down distance of school and bank.
Second, with bank as the centre of the circle, draw a circle of distance from step 1 to locate possible locations of the library.
2 years ago
Mr. T
You will find (8,6) is one of the possible points on the circumference of the circle in second step.