Respuesta :

first angle is 24
second angle is 108
third angle is 48



all the three angles of the triangle add up to 180
(its a rule)
then 2+9+4=15
180÷15=12
12×2=24
12×9=108
12×4=48

Answer:

first angle is 24

second angle is 108

third angle is 48

all the three angles of the triangle add up to 180

(its a rule)

then 2+9+4=15

180÷15=12

12×2=24

12×9=108

12×4=48

Step-by-step explanation:

i got it right