Answer:
The cross section of a cube is square...
and we know that ,Area of square = side²
so, Area of cross section= l²
Hope it helps you
In the right triangle, the longest side is the hypotenuse.
Let α be the angle opposite to the side with a length of 12 units, <span>then according to the Law of sines:
</span>

In a triangle, the three interior angles always add to 180° ⇒
third angle = 180 - 90 - 67 = 23°
Answer:
67° and 23° (to the nearest degree).