Unit 14 Yes/No

An octagon has an odd number of sides.

• Yes

• No

A septuagenarian is a person who is born in September.

• Yes

• No

A sextant was an important tool for navigation.

• Yes

• No

September is the seventh month of the year.

• Yes

• No

October used to be the tenth month of the year.

• Yes

• No

A septennial event takes place seven times a year.

• Yes

• No

An octopus was named after the number of arms it has.

• Yes

• No

A septet is a musical group with six members.

• Yes

• No

A hexagon is an example of a quadrilateral.

• Yes

• No

The word octave relates to musical pitch, or sound differences in music.

• Yes

• No