6th Class
Mathematics
Mensuration
Question Bank
Menstruation
question_answer
A man walked 20 m to cross a rectangular field diagonally If the length of the field is 16 m, the breadth of the field is
A) 4 m
B) 16m
C) 12m
D) cannot be determined
Correct Answer:
C
Solution :
Let the length and the breadth of the field be x and y respectively in metres. \[AC=\sqrt{{{x}^{2}}+{{y}^{2}}}\,\,\,\,\Rightarrow \,\,\,\sqrt{{{16}^{2}}+{{y}^{2}}}=20\] \[\Rightarrow \,\,y=12\,m\].