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### Primary 6 Problem Sums/Word Problems - Try FREE

- Circles : Ace this or else... > Circles Exercise 5 > 3
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- Attempt Mode: Attempt Single Question

**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:*

*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**Round your answer off to 2 decimal places*

The correct answer is :

**100.48,75.36**