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wht u supposed to do
Start talking about corresponding parts. Steps 1) and 2) might be the same, but referring to different pairs of angles.
Step #2 is no good. You have referred to the entire angle, rather than the two halves. Consider \(\angle DBA\;and\;\angle DBC\), then do the same thing at the bottom.
to what bottom?
is the reason for number 3 correct?
ABC is the top ADC is the bottom Get them both in that #2.
No good on #3. Those are not adjacent angles. Given the two sets of angles in #2, they just might be the pair of angles we are looking for since we know the sum of the interior angles of a triangle.
You just gave me angle DBA and angle DBC for #2
... AND BDA and BDC. Two corresponding pairs with the same angle bisector. The mentioned both sets in the Given. You mention both sets in #2.
|dw:1449869236943:dw| State that. Then, state the same thing for the bottom angle - the one centered and bisected at D. Put BOTH statements on #2, just like the "Given" has both angles bisected on #2.
what's the reason for #3 if it is not adjacent angles?
Please define "Adjacent Angles". The two angles you suggested are not adjacent.
I know that it's not adjacent angles but will you be willing to tell me what they are?
I did, already. Look up about four posts. What is the sum of the interior angles of a triangle?
they add up to 180°