Rectangular Solids and Prisms (Leaving Cert Mathematics): Flashcards

Cuboid

$V = l \times b \times h$

$SA = 2lb + 2lh + 2bh$

Six faces come in three pairs of identical rectangles

3D shape with same cross-sectional area throughout length

$V = A \times l$ (cross-section area × length)

Cross-sectional area

2D shape that can be folded to create a 3D shape

11

Calculate area of each shape and add them together

Cubic units (cm³, m³, etc.)

Rectangular, triangular, cylindrical, irregular