Tzu En's answer to james tan's Secondary 3 E Maths Singapore question.

Ask ManyTutors
done 3 Upvotes
clear 0 Downvotes
Tzu En
Tzu En's answer
134 answers (Tutor Details)
1st
Area of big triangle = (4/3)² x 9 = 16
Area wanted = 16 - 9 = 7