Answer:
I think it is the last one
Answer:
40 degrees
Step-by-step explanation:
The 100 degree angle is supplementary to angle CED. This means CED will end up being 80 degrees. Since the angles in all triangles equate to 180 degrees 80 + 60 + angle D must equal 180 degrees. Therefore, angle D has to be 40 degrees.
Answer:
170
270
271
371
372
370
470
471
473
472
574
573
572
571
570
675
674
673
672
671
670
776
775
774
773
772
771
770
877
876
875
874
873
872
871
870
978
977
976
975
974
973
972
971
970
Step-by-step explanation:
Answer: It will still measure the same at 30 degrees.
Step-by-step explanation:
A rotation just changes orientation, not size or measure
Answer:
9.225 < x 
9.235
Step-by-step explanation:
