1 Qual o tema principal da reportagem acima? O a) As parcerias das escolas da Paraibe, da Bahia e de Pernambuco
O b) As vitimas de agressões domiciliares
O c) o bullying escolar
d) O Seminario - Organizado pela Promotoria de Justiça da Infancia e da
Adolescência da Paraíba
O​

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

answer: options

step-by-step explanation:

the answer is 13 cm