13,891 views
45 votes
45 votes
Find DEC.

angles are congruent.

equations are

(9x-18)

&

(3x+42)

Find DEC. angles are congruent. equations are (9x-18) & (3x+42)-example-1
User Bilal Aslam
by
2.9k points

1 Answer

20 votes
20 votes

DEC=72 degrees. The two angles equal each other so you much set them to equal each other.
Find DEC. angles are congruent. equations are (9x-18) & (3x+42)-example-1
User Charlemagne
by
2.4k points