A common chord between equal circles
A common chord between equal circles
5 marks
TGM Original
The circles x2+y2=25 and (x-8)2+y2=25 meet at P and Q. Find the equation of PQ and the length of the common chord.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(x=4,\quad PQ=6\)
Need help? Join our JC Math tuition classes.
Learn more