Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)

Question


There are 2 identical small circles, 1 medium circle and a large circle in the figure.

The diameter of the small circle is 7 cm.

The diameter of the large circle is 4 times that of the diameter of the small circle.

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

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

[ Take π to be `22/7` ]

 

 

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 : 175.84,384.65
(a)____cm, (b)_____`cm^2`