Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)

Question


There are 3 semi-circles whose ratio of diameters is 1 : 2 : 3 respectively.

(a) What is the area of the shaded region?

(b) What is the perimeter of the shaded region?

[ Take π to be 3.14 

 

 


Notes to students:

  1. If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
  2. Round your answer off to 2 decimal places
The correct answer is : 100.48,75.36
(a)____`cm^2`, (b)_____cm