Who was elected king of germany?
a. otto i
c. henry iv
b. henry iii
d. frederick barbarossa

Otto I

Explanation:

Nominated by Henry as his successor, Otto was elected king by the German dukes at Aachen on Aug. 7, 936, a month after Henry's death, and crowned by the archbishops of Mainz and Cologne.

Please put me the brainliest

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

i believe the answer is d.