The area of a parallelogram is 147 sq m and its base is thrice the corresponding height. Then the length of the base is?  Choose the correct choice from the following answers:
A) 14m
B) 29m
C) 49m
D) 7
E) none
b*h=147 b*h=147=&gt;b^2=49m.b=7 Answer: (7)
<result>D</result>
The area of a parallelogram is 147 sq m and its base is thrice the corresponding height. Then the length of the base is?