Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
See 1 Answer
Area of base = πr^2
Area of circle = 3.14(1.35)(1.35)
Area of circle = A
Area of wrap = circumference of base x height of cylinder
Area of wrap = πd x H
Area of wrap = 3.14(2.7) x 13.8
Area of wrap = B
1.2mm = 0.12cm
Material needed = 0.12(A+B)
Area of circle = 3.14(1.35)(1.35)
Area of circle = A
Area of wrap = circumference of base x height of cylinder
Area of wrap = πd x H
Area of wrap = 3.14(2.7) x 13.8
Area of wrap = B
1.2mm = 0.12cm
Material needed = 0.12(A+B)