49.2k views
2 votes
PLEASE HELP!? i need to ro this for my exit ticket asap

PLEASE HELP!? i need to ro this for my exit ticket asap-example-1
User Khrysann
by
4.8k points

2 Answers

4 votes

Answer:

42°

Explanation:


m\angle ABD + m\angle DBC = m\angle ABC\\</p><p>2x + 2x - 3 = 81\degree \\</p><p>4x - 3 = 81\degree \\</p><p>4x = (81+3)\degree \\</p><p>4x = 84\degree \\</p><p>x = (84)/(4)\\</p><p>x = 21\\\\</p><p>m\angle ABD = 2x = 2*21\degree = 42\degree

User Benoit Blanchon
by
5.1k points
3 votes

Answer:

It should be -3

Explanation:

User Mic Fok
by
4.9k points