Na figura temos que med (aôc)=120° e med (bôc)=92° 30'. observando que med (aôb)= med (aôc)-med (bôc) calcule a medida do ângulo aôb

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

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step-by-step explanation

2r= 2300

r =1150