53.6k views
22 votes
10 POINTS PLEASE HELP

10 POINTS PLEASE HELP-example-1
User Arun P
by
8.5k points

1 Answer

11 votes

Answer:

m∠A = 49°

Explanation:

According to Angle Sum Property,

  • angles of the Δ add up to 180°
  • ∠A + ∠B + ∠D = 180°
  • 5x - 6 + 7x - 24 + 78 = 180
  • 12x + 48 = 180
  • x + 4 = 15
  • x = 11

m∠A

  • 5x - 6
  • 5(11) - 6
  • 55 - 6
  • 49°
User Elad Benda
by
8.7k 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