J's answer to Ivey's Secondary 4 E Maths Singapore question.
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Here's a sketch of the circle in question. You can go to Desmos and try it, it's a great tool for visualisation. I included the point (1,0) so you can see the right-angled triangle where Pythagoras' Theorem is applied, which is what distance formula and circle's equation in standard form is based on.
Date Posted:
3 years ago
Ohh i got i! I did't know that it was distance formula at first :O but now I can finally understand the workings. Thabk you so much for the detailed explanations!! I really appreciate your help!
Welcome.