Please help

Using the side lengths, determine whether the triangle is acute, obtuse, or right.

A: acute

B: right

C: obtuse

What is a rational number between 9.5 and 9.7

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b. false