Case Study-1: Secondary school of Paschim Vihar their 10th class students on an agriculture trip. There they learn about the different phases of agriculture i.e., preparation of soil, sowing of seed, irrigation etc. Then farmer provide them rectangular barren land as shown in figure. Teacher then divided the number of students is to prepare the soil on this area of plot.

Find the length of the side AC.

Options

A. 4 units
B. `sqrt(13)` units
C. 3 units
D. `sqrt11`

Answer

B