The sum of the interior angles of a polygon with n sides is (n – 2)180 °. Use this formula in the following problems.
a) What is the sum of the interior angles of a 10-sided polygon (decagon)?
b)If the interior angles of a polygon add up to 1260 °, how many sides does it have?
The angle measure of a regular n-sided polygon is
(180 - 360/n) °.
c) What is the angle measure of a regular 10-sided polygon (decagon)?
d) If the angle measure of a regular polygon is 170°, how many sides does it have?
e) How many minutes in 5 days?
f) 510 hours is __________ days and ________ hours.
g) 6,502 seconds is ________ hours, ________ minutes and __________ seconds.
h) 6,502 hours is ________ weeks, ________days and __________ hours.
i) After a flu outbreak, a hospital has decided quarantine will last 66 hours. If it starts at 5:00 pm on Tuesday, give the day and time when it will be over.
Day: ________ time: ___________ a.m or p.m? __________
Answers in the comments.