Answer:
On the right is a circle with centre (0, 0), radius r and (x, y) any point on the circle. Distance between (0,0) and (x, y) equals the radius, r. If the centre is (0, 0), the equation of the circle will be of the form x2 + y2 = r2.
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
6a)

6b)

Answer:
Assuming ur looking for the circumference
its 24.94pi
(the last one)
Step-by-step explanation:
Brainliest would be eappreciated :)
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