Question 8
Two circles form a friendly pair if they touch each other. How many friendly pairs are there in the following diagram?
AMO 2027 Grades 6-7 SET 9 - Self-study Question 8
AMO · AMO 2027 Grades 6-7 SET 9 - Self-study
AMO · AMO 2027 Grades 6-7 SET 9 - Self-study