Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | E Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
How to continue ?
Date Posted: 7 years ago
Views: 560
See 1 Answer
alternatively, ratio of surface area can be calculated as (1/3)^2=1/9
360 Tutoring Program