The area of a figure is 13 square inches. If all the dimensions of the figure are multiplied by 4, the area of the figure will be multiplied by _____.

5
12.5
625
50

Question

The area of a figure is 13 square inches. If all the dimensions of the figure are multiplied by 4, the area of the figure will be multiplied by _____.

5
12.5
625
50

jiteshmeghwal9 · Answer

Let the dimensions of original square be 

length=l
width=w
so, l*w=13 square inches .......(1)

jiteshmeghwal9 · Answer

the dimension of final square is

length=4 l
width=4 w

final area =4l*4w=16l*w=16(original area).

abhinav12 · Answer

4² = 16 
so 16 is correct answer