asked 25.5k views
2 votes
PLEASE HELP

If quadrilateral ABCD is a parallelogram, then which of the following statements must be true?

 A. 

<A = <D

 B. 

<A + <C = 180°

 C. 

<B + <C = 90°

 D. 

<A + <D = 180°



2 Answers

4 votes

Answer:

b c = 180

Explanation:

answered
User SamIAm
by
7.5k points
3 votes

the statement must be true

D. <A+<D=180°

answered
User Siomara
by
8.7k points

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