Tayng's answer to :)'s Secondary 3 A Maths Singapore question.
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Explanation in comment
+ form right angled triangle from Centre to Q/P
Then 25² = (length of midpoint to Q/P)² + r²
This case I used Q
+ form right angled triangle from Centre to Q/P
Then 25² = (length of midpoint to Q/P)² + r²
This case I used Q
Date Posted:
8 months ago