Vacation is Over :) Mathematics Course Refresher

Q1: What mathematical symbol did math whiz Ferdinand von Lindemann
determine to be a transcendental number in 1882?

Q2: What do you call an angle more than 90 degrees and less than
180 degrees?

Q3: What's the top number of a fraction called?

Q4: What Greek math whiz noticed that the morning star and evening
star were one and the same, in 530 B.C.?

Q5: What's a polygon with four unequal sides called?

Q6: What's a flat image that can be displayed in three dimensions?

Q7: What number does "giga" stand for?

Q8: What digit did Arab mathematician al-Khwarizmi give to the
West around 800 B/B.?

Q9: What word describes a number system with a base of two?

Q10: How many equal sides does an icosahedron have?

Q11: What do mathematicians call a regular polygon with eight
sides?

Q12: What T-word is defined in geometry as "a straight line
that touches a curve but continues on with crossing it"?

Q13: What geometrical shape forms the hole that fits and allen
wrench?

Q14: What number is an improper fraction always greater than?

Q15: What two letters are both symbols for 1,000?

Q16: What's short for "binary digit"?

Q17: What century did mathematicians first use plus and minus
signs?

Q18: What number, a one followed by 100 zeros, was first used by
nine-year-old Milton Sirotta in 1940?

Q19: What handy mathematical instrument's days were numbered when
the pocket calculator made the scene in the 1970s?