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Mathematics 21 Online
OpenStudy (anonymous):

The paragraph proof with missing statement proves that the opposite interior angles of the rhombus are congruent Which statement can be used to fill in the blank space? The figure is a rhombus which is given. The definition of a rhombus guarantees that and are parallel and that and are parallel. ∡1 + ∡2 = 180 and ∡2 + ∡3 = 180 because they are same side interior angles of two parallel lines cut by a transversal. By the transitive property of equality, __________________________. Using the subtraction property of equality, ∡1 = ∡3. Similarly, ∡2 + ∡3 = 180 and ∡3 + ∡4 = 1

OpenStudy (anonymous):

OpenStudy (anonymous):

her of the question 180 because they are same side interior angles of two parallel lines cut by a transversal. Therefore, using the transitive property of equality, ∡2 + ∡3 = ∡3 + ∡4. Using the subtraction property of equality, ∡2 = ∡4. Since ∡1 = ∡3 and ∡2 = ∡4 by the definition of congruence, these opposite angles are congruent. ∡1 + ∡2 = ∡2 + ∡3 ∡1 = ∡3 ∡1 + ∡2 = ∡3 + ∡4 ∡1 + ∡2 = 180 and ∡2 + ∡3 = 180

OpenStudy (anonymous):

here is the rest of the question ***

OpenStudy (anonymous):

hey did you get the answer to this? o_O lol i'm taking this course too...

OpenStudy (anonymous):

same here.. ^_^

OpenStudy (anonymous):

it's the fourth one :D...i think

OpenStudy (anonymous):

ya sure? :D

OpenStudy (anonymous):

Eh not really too sure. But that seemed like my best bet.

OpenStudy (anonymous):

OH wait. His is different than mine!

OpenStudy (anonymous):

it's the third one :P

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