Знайти площу круга ,у який вписано прямокутний трикутник ,якщо периметр цього трикутника дорівнює 24 см,а площа  24 см2

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My friend(to know)Spanish very well.
Who(to ring) you up an hour ago?
He (to live) on the third floor.
It (to take) you long to find his house yesterday?
When your lessons(to be) over on Monday?

ask questions starting with the words in brackets America was called “New World’. (Why) They will be met in the airport. (Yes\No) America was discovered by Columbus. (By whom) His letter has already been sent. (Yes\No)