# What is the equation of the circle with a center at #(2 ,1 )# and a radius of #2 #?

Consequently, the circle's equation is

This becomes easier to understand.

By signing up, you agree to our Terms of Service and Privacy Policy

The equation of the circle with a center at (2, 1) and a radius of 2 is:

[ (x - 2)^2 + (y - 1)^2 = 2^2 ]

By signing up, you agree to our Terms of Service and Privacy Policy

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- Points #(2 ,5 )# and #(3 ,4 )# are #( pi)/3 # radians apart on a circle. What is the shortest arc length between the points?
- A triangle has corners at #(9 ,8 )#, #(2 ,3 )#, and #(1 ,4 )#. What is the area of the triangle's circumscribed circle?
- What is the measure of angle a?
- A triangle has corners at #(4 , 5 )#, #(1 ,3 )#, and #(3 ,4 )#. What is the radius of the triangle's inscribed circle?
- What is the center, radius, and intercepts of the circle # (x-3)^2+(y+7)^2 = 16#?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7