Given: ABCD is a parallelogram. Prove: AB CD and BC - DA
Angles Segments Triangles Statements Reasons
BAC
BCA
DAC
2DCA
B
Statements
Reasons
Demo
HELP!! every time I put an answer it says “this statement is part of this proof, but at least one other statement must come before it”

How do i do this activity, is appreciated

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?