jmar2501 jmar2501
  • 19-04-2022
  • Mathematics
contestada

In the diagram below of ABC, AB ≅ AC, m∠A = 3x, and m∠B = x + 20.


What is the value of x?


A. 10

B. 28

C. 32

D. 40

In the diagram below of ABC AB AC mA 3x and mB x 20What is the value of xA 10B 28C 32D 40 class=

Respuesta :

kamilmatematik100504
kamilmatematik100504 kamilmatematik100504
  • 19-04-2022

Answer: B)28

Step-by-step explanation:

  • 3x + x + 20 + x + 20 = 180  
  • 5x + 40 = 180
  • 5x = 140
  • x = 28°  





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