Question

ABCD=romb
<DAC=25 de grade
<DBC=?

​

Answer 1

Răspuns:

Explicație pas cu pas:

<DAB = 2*<DAC = 2*25° = 50°

<ABC = 180° - <DAB = 180° - 50° = 130°

<DBC = <ABC/2 = 130°/2 = 65°

Answer 2

Răspuns:

Salut

<DAB=2•<DAC=2•25°=50°

<ABC=180°-<DAB=180°-50°=130°

<DBC=130°/2=65°

Deci <DBC=65°

==evergreen==