Beatrice Wong Min's answer to Yas Tudor's Secondary 2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Beatrice Wong Min
Beatrice Wong Min's answer
7 answers (Tutor Details)
1st
Identify which sides of the triangle is the adjacent, opposite or hypotenuse. Then apply the trigo :)