Answer:
Length of AB = Length of C′D′
Length of CD = Length of B′C′
Step-by-step explanation:
Not sure but I think
General formula for circles at the origin is x^2+y^2=R^2 where R is the radius.So R^2=4225. Solve for R.
Assuming the ':' means an = sign, 2
=10 simplifies to 2
=8
Answer:
x^2+3x-10 that should be your answer