One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field?
Pick: A) 12 B) 27 C) 98 D) 27 E) 29
lb = 3 * 4= 
<gadget id="calculator">3 * 4</gadget>
<output>12</output>
12   12nswer: 12
<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?