What is the length of a diagonal of a cube with a side length of 1 cm?
0 2 cm
13 cm
o 4 cm
05 cm

Try d cause last i guessed that and it was right

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .