How to write a summary? give me some example on how to write a good summary

The perimeter of a picture frame is 24 inches. if the width of the picture frame is 5 inches, what is the length of the picture frame?

In the first line of the poem, the poet likens himself to a natural object, a cloud. in contrast, the last line of the second stanza, "tossing their heads in sprightly dance," personifies daffodils, which are natural objects. what do these two devices together suggest?

Think about the heroic characteristics and values you discovered in the myth "perseus." which heroic characteristics and values do you recognize in people who are considered heroic in today's world? explain.