One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field? Choose the correct option:
A) 3 B) 4 C) 6 D) 8 E) 9
M = 4   S = 2   US = 4 - 2= 
<gadget id="calculator">4 - 2</gadget>
<output>2</output>
2   D= 6   T = 6/2= 
<gadget id="calculator">6/2</gadget>
<output>3</output>
3   3nswer: 3
<result>A</result>
One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field?