Christmas MT's answer to s's Secondary 4 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
3380 answers (A Helpful Person)
1st
There u go. Let radius=r then use algebraic manipulation to solve.
Hope this helps. All the best!
s
S
7 years ago
thank you!