TINGFEI's answer to Peh Xin's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
TINGFEI
Tingfei's answer
12 answers (A Helpful Person)
1st
Using area of triangle =1/2 ab sinC formula.
TINGFEI
TINGFEI
7 years ago
Then final ans times 4 to get area of square
Peh Xin
Peh Xin
7 years ago
Coudn't understand what its saying