Measure of each interior angle = \(165\degree\)
Measure of each exterior angle = \(180\degree - 165\degree = 15\degree\)
The sum of all exterior angles of any polygon is \(360\degree\)
Thus, number of sides of the polygon
= \(\frac{360\degree}{15\degree}=24\)

Fill in the blanks in the sentences below (the verbs given in brackets will give you a clue).
(i) The earth trembled, but not many people felt the ____. (tremble)
(ii) When the zoo was flooded, there was a lot of _____ and many animals escaped into the countryside. (confuse)
(iii) We heard with _____ that the lion had been recaptured. (relieve)
(iv) The zookeeper was stuck in a tree and his _____ was filmed by the TV crew. (rescue)
(v) There was much _____ in the village when the snake charmer came visiting. (excite)