Do you mean Sonnet 43 - How Do I love Thee?
By calculating the area of the rectangle (16*11) and subtracting the area of the triangle from it (5.2*8.2/2), you get the answer of 153.86 square feet.
To conclude means to finish or wrap up
The theme of William Shakespeare's Sonnet 73 is the importance of the friend of the poet's loving him more strongly because of the temporal state of life. Calling attention to his aging in order to convince his lover of the urgency of full affection, the poet uses images such as "yellow leaves" and "twilight."