en un triangulo, la diferencia entre a y b es 20° y la diferencia entre y y b es de 10°

hay que calcular el valor de cada angulo me ayudan?
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1 Answer

???? yu hav triangel with angel2=angel1+20 & angel3=angel1+10 ????

so x+(x+10)+(x+20)=180

3x+30=180

3x=150

x=50
by

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