Answer:
Step-by-step explanation:
3
A centimetre is the most appropriate unit
Tetrahedron has 4 faces so it's a pyramid, dodecahedron is 12 faces, octahedron is 8 faces, icosahedron has 20 faces. Easiest way I know to classify them
Answer:
A) Positive
B) Positive
C) None
D) Positive
Step-by-step explanation:
:)