What kind of place is Innisfree? Think about:
(i) the three things the poet wants to do when he goes back there (stanza I);
(ii) what he hears and sees there and its effect on him (stanza II);
(iii) what he hears in his “heart’s core” even when he is far away from Innisfree (stanza III).
A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same time a tower casts a shadow 28 m long. Find the height of the tower.