How to find the radius with the center of (0,0) passing through (9,5)

EASY!

Step-by-step explanation:

So I have not done this type of problem before, but I can help!

So what we need to do is find the distance between those two points, and that's are radius! (because any point on a circle is equidistant, or the same distance away from the center).

To do this, we need to use Pythagorean Theorem:

It's a theorem that states that sum of the squares of the leg's of a right triangle is equal to the square of the hypotenuse.

Here's a little picture if you don't know what I'm talking about:

(the one that is attached to this answer)

So, the radius we are looking for is C.

Now, imagine a right triangle were from one point it draws a horizontal line and from the other endpoint, we draw a vertical line that intersects the horizontal line, and that's our triangle.

Now we also know the 'legs' of the triangle with the info that: 9-0=9, 5-0=5

And we know that A and B are 9 and 5(order does not matter).

So, time to solve!

Hope this helps!

P.S. Stay Safe!

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse