ashleymartjn
ashleymartjn ashleymartjn
  • 10-01-2020
  • Mathematics
contestada

How does one do this? I’ve tried and still can’t get it please help

How does one do this Ive tried and still cant get it please help class=

Respuesta :

MathPhys
MathPhys MathPhys
  • 10-01-2020

Answer:

20

Step-by-step explanation:

An angle bisector cuts an angle into two equal parts.  So m∠ACE = m∠ECB.

m∠ACE = m∠ECB

2x − 15 = x + 5

x = 20

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