contestada

Suppose that α and β are the angles of a triangle. It is known that: 58°≤α≤59° and 102°≤β≤103°. Find the possible values of the third angle.

Relax

Respuesta :

20°≤ 'third angle' ≤ 18°.

he was right, the answer is just flipped, so it's 18≤x≤20