For any triangle, the perpendicular bisectors of the three sides of the triangle meet at one point called the circumcenter. Why is this point called the circumcenter and what does it have to do with circles? Please help ASAP! Thank you.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction