Kxshx's answer to Taejin's Secondary 3 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Kxshx
Kxshx's answer
2 answers (A Helpful Person)
This is a bit different method for part a, but same answer! Do ask if you have any queries!! Btw, angle OAP is 90 degrees because of the property 'tangent perpendicular to radius'