A circle has centre ( -2, 2 ) and the point ( 1, 6 ) lies on the circumference of the circle,
What is the equation of the circle?

i got the answer but why is the radius 5square??

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute