Pancakes's answer to Mandy's Primary 6 Maths Measurement Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Pancakes
Pancakes's answer
58 answers (A Helpful Person)
1st
Since PZ is twice of WP, cut the square into 9 parts as shown. For part a, perimeter is the same as 6 times the circumference of a quarter circle. For part b, rearrange the quadrants as shown, shaded parts make up 4/9 of the square garden.