Question

In a ABC,< A =xº
,C = yºand < B = (3x-2), also
< C - < B=90, then the three
angles are______​

Answer 1

Step-by-step explanation:

In a ABC,

A+B+C=180.

x+y+3x-2=180

4x-2+y=180

4×+y=182

y-3x+2=90

y-3x=88

4×+y=182

-3×+y=88

7×=94

x=13

A=13,B=37,C=130