Question

How many right angles are there at one corner of a cube?

• A. 6
• B. 5
• C. 4
• D. 3

Answer 1

The correct option is D 3

Let us consider a corner or vertex of a cube.

Three square faces meet at the vertex of the cube.

Each square face has a right angle at the vertex of the cube.



This is true for any corner of the cube.

$\therefore$ There are 3 right angles at one corner of a cube.