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Primary 6 Problem Sums/Word Problems - Try FREE

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Question

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There is 1 small sized circle, 1 medium sized circle and a large circle.

The diameter of the large circle is 36 cm.

The diameter of the medium sized circle is thrice that of the diameter of the small circle.

(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 : 381.51,226.08
(a)____`cm^2`, (b)_____cm