Penta-, Oct-, Sol-, Soli-

What is a polygon with five sides and five angles?

• pentathlon
• pentagon
• octagon
• octet

What is the card game that you can play alone?

• solitude
• pentagon
• octave
• solitaire

What is a creature with eight tentacles?

• octet
• octave
• octopus
• octagon

What is the word that names a band with eight members?

• octagon
• octave
• octopus
• octet

What is the word that identifies the musical word for eight degrees higher or lower in tone?

• octave
• octet
• octagon
• octopus

What is the word that describes the state of being all alone? 

• solitaire
• octet
• solitude
• pentathlon

What is the word that names the competition involving five different events? 

• pentagon
• pentathlon
• decathlon
• octave

What is the word that names a polygon with eight sides and eight angles?

• pentagon
• decagon
• octagon
• heptagon