192k views
1 vote
I need help with this

I need help with this-example-1
User Dr Sokoban
by
7.6k points

1 Answer

3 votes
Sides AB and AC are given as congruent.
That makes angles B and C congruent.
m<C = 47, so m<B = 47

m<B + m<C + m<BAC = 180

47 + 47 + m<BAC = 180

94 + m<BAC = 180

m<BAC = 86

m<BAD = (1/2)m<BAC = (1/2) * 86 = 43

y = 43

x + y + m<B = 180

x + 43 + 47 = 180

x + 90 = 180

x = 90
User Aleksey Vlasenko
by
7.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories