Amarjeet scored 92, 98 and 90 marks in Chemistry, Mathematics and Physics respectively. The maximum marks in each subject are 100. Determine his overall percentage for the three subjects.
ΔGHI is similar to ΔKLM. If the ratio of Perimeter of Δ GHI : Perimeter of ΔKLM = 1:4, and length of GH is 2 cm, what is the length of the corresponding side KL?