A . cylinder has 3 faces
B . All sides of the rectangle are equal
C . A cuboid has 4 flat faces and 12 straight edges
D . A triangle has 3 sides and 4 vertice.
Solution
Correct answer is A
A triangle is a shape that has three corners and three straight sides.
A cylinder is a solid shape that has two flat surfaces and one curved surface. That means it has three surfaces altogether.
In a rectangle, only the opposite sides are of the same length. If all sides were equal, it would be a rhombus or a square.
A cuboid is a solid shape in 3D that has 6 surfaces, 8 corners, and 12 edges.