Question

attachments below
Triangle ABC is shown below
The flow chart with missing reason proves the measures of the interior angles of ∆ABC total 180°
Which reason can be used to fill in the numbered blank space?

Definition of Supplementary Angles

Substitution

Definition of Complementary Angles

Angle Addition Postulate

Answer 1

ok so we have three angles here and they go around a single point do you see that?

Answer 2

yes

Answer 3

ok since you see that....now tell me what the definition of Angle Addition Postulate
say?

Answer 4

3 angles with a common vertex that add to 180 are supplementary

Answer 5

http://www.icoachmath.com/math_dictionary/Angle_Addition_Postulate.html

Answer 6

i have no idea what a angle addition postualte is

Answer 7

theres a link for ya

Answer 8

2 angles =180 degrees

Answer 9

If the sum of the two angles measure up to 180°, then the angles are called to be ‘supplementary angles’.

Answer 10

just give me the answer....

Answer 11

please:3?

Answer 12

sorry im not allowed...

Answer 13

remember that guy yesterday? who was he? inky...

Answer 14

ya and brb got to feed my cat

Answer 15

back

Answer 16

DId you ever get this answer?