unit 13 three, four, five

A long distance race that has three parts: swimming, bicycling, and running

• triathlon

• trilogy

• trimester

• trident

A series of three novels, movies, etc., that are closely related and involve he same characters or themes

• trilogy

• trimester

• trident

• quartet

A period of three months; one of three periods into which a school year is sometimes divided

• trimester

• triathlon

• trilogy

• pentagon

A fishing spear that has three points and that looks like a large fork

• trident

• trilogy

• quart

• quintuplet

A flat shape that has four sides and four angles

• quadrangle

• trident

• pentagon

• trimester

A group of four singers or musicians who perform together

• quartet

• quadrangle

• quintuplet

• pentagram

A US customary unit of measurement for liquids; 4 quarts equals a gallon

• quart

• triathlon

• trident

• pentagram

A flat shape that has five sides and five corners

• pentagon

• pentagram

• quintuplet

• trimester

A shape that is like a star with five points formed by five straight lines

• pentagram

• pentagon

• trident

• quadrangle

One of five babies that are born at the same time to the same mother

• quintuplet

• quartet

• trilogy

• trimester