One side of a rectangular field is 16 m and one of its diagonal is 18 m. Find the area of the field.  Choose the correct option.
A) 100  B) 120  C) 150  D) 180  E) None
Solution   Other side = √(18)2 - (16)2   = √324 - 256= 
<gadget id="calculator">324 - 256</gadget>
<output>68</output>
√68= 8.2 m.   ∴ Area = (16 x 8.2)m2 = 131.2 m2.   Answer None
<result>E</result>
One side of a rectangular field is 16 m and one of its diagonal is 18 m. Find the area of the field.