Question

ajudem pls so esse e acabo

Answer 1

Resposta:

$a)\\ A~e~B\to ret\hat{a}ngular\\ \\ b)\\ D~e~E\to tri\hat{a}ngular\\ \\ c)\\ D,E~e~F\to ret\hat{a}ngular\\ \\ d)\\ A,B,C,D,E~e~F\to ret\hat{a}ngular$