The carpender attaches piece D so that it is perpendicular to piece A. Is piece D perpendicular to pieces B and C? Explain and pls no links or answers off the internet or i will repot

Solve this problem! extra ! 3025/5.5 = a/90.75

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

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