PARENTS, STUDENTS, TEACHERS
You can now view questions, answers, 100's of hours of video explanations and step-by-step worked solutions for FREE!
Sign up/Login if you wish to track your progress!

Primary 6 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)

Question

Need dedicated, 1-1 help?
PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!*
Click here to learn more


The figure shown here is a square made up of 4 identical small squares.

Within the large square quarter arcs are drawn.

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

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

[ 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 : 648,113.04
(a)____`cm^2`, (b)_____cm