Question

HELP!

Answer 1

Number 7 statement is
m <BCD = m <ACE

Answer 2

I'm no sure about the justification part because the US and UK geometries have a different set of standards. Algebra is very much the same bot not Geometry.

Answer 3

Basically the 2 above angles are both equal to m < ACD and m < DCE therefore they must be equal to each other.

Answer 4

* m < ACD + m < DCE

Answer 5

If c = a +b and d = a + b then obviously c = d.

Answer 6

I think that the missing statement can be this:
\(measure<ACE=measure<BCD\)--->\(reason\): transitive property of equality

Answer 7

Ah yes - I've seen that one before. You are right.

Answer 8

Americans love their labels.