Ghazi Emir Jennings's answer to June's Secondary 3 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
First express A+B as 180–C, then make use of the addition formula to get the final answer. Hope this helps, feel free to clarify any doubts :)
Date Posted:
2 years ago