kamerynegetman kamerynegetman

15-11-2021
Mathematics

contestada

pls help asap! i will
mark you brainliest!

pls help asap i will mark you brainliest class=

Respuesta :

xenia168 xenia168

15-11-2021

Answer:

m∠ABC = 40°

Step-by-step explanation:

(4x - 4)° = 2(x + 9)°

4x - 2x = 18 + 4

2x = 22

x = 11

m∠ABC = (4(11) - 4)° = 40°

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