P N Siva Kumar Menon's answer to :)'s Primary 6 Maths Fractions Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
P N Siva Kumar Menon
P N Siva Kumar Menon's answer
3 answers (A Helpful Person)
1st
Triangle area is half of rectangle formed and equilateral triangle forms a rectangle.

The half squares covered is taken as one square in the case of the equilateral triangle.