ProveIt! Two-Column Proofs Practice Tool

Proof: Parallelogram 3

pgram

STUV

U = 42 $\^o$

T = 138 $\^o$

1.

1.

42 $\^o$ +

T = 180 $\^o$

T = 138 $\^o$

pgram

STUV

angle

U and

angle

T are supplementary

U +

T = 180 $\^o$

U = 42 $\^o$

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