266,516 views
30 votes
30 votes
Please help!
Find the value of x for which ABCD must be a parallelogram.

Please help! Find the value of x for which ABCD must be a parallelogram.-example-1
User Mike Versteeg
by
2.9k points

2 Answers

23 votes
23 votes

Answer:

5

Explanation:

cause

angle c and angle a are alternate angle and alternate angle are always equal so 5X-8=2x+7

5x-2x=7+8

3x=15

or x=5

User Ingyhere
by
2.5k points
9 votes
9 votes

Answer:

x=5

Explanation:

5x-8=2x+7

5x-2x=7+8

3x=15

X=15/3

x=5

User Jaykesh Patel
by
3.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.