[ Homonyms ]
The Greek letter ___ is used in geometry to express the fixed ration of the circumference of a circle to its diameter.
a. pi
b. pie
Select your answer:

Random Topics:
Future or PastGerund & InfinitivesPresent Simple Affirmative and NegativeNumbersZero Conditional SentencePhrasal Verbs and Verb FormsRegular and Irregular Adverb-ed/-ing AdjectivesLinking Verbs & Helping VerbsParts of SpeechOther quiz:
Grammar › ViewThis scary film is only for children ___________ are over 15 years old.
A. for which
B. that
C. whose
D. when
Grammar › View
Choose the correct answer…
Do you like coffee?
___
A. Yes, I do
B. Yes, I am
C. Yes
D. of course
