sibaaltaher
sibaaltaher
29-04-2021
Mathematics
contestada
someone help plss :))
Respuesta :
greenyeti35
greenyeti35
29-04-2021
Answer:
Step-by-step explanation:
the answer is 50. :)
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9Firefoxes
9Firefoxes
29-04-2021
x+(x+70)+(x+20)=180° [ANGLE SUM PROPERTY OF A TRIANGLE]
= 3x+90= 180
= 3x= 90
= x= 30
So m angle R is x+20=30+20= 50°
The answer is thus 50°
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