20 points which of the following must be true if segment cd is the perpendicular bisector of segment ab? a. segments cd and ab form a ninety degree angle b. segment ad is congruent to segment cd c. segment ab is the perpendicular bisector of triangle abc. d. angle c must be 60 degrees. e. the two smaller triangles are acute. f. point c is the circumcenter of the larger triangle.

answer: can you me with homework?

step-by-step explanation:

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

idk

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length