49. The area of a square is 40000cm2. What will be length of diagonal?

A) meter
B) 2 meter
C) meter
D) 200 meter

2 answers

D=square root of 2 x side
d=282.84 cm
or 2.83 meters..
approximately 2
I agree with appr 2.83 m
but you would round that to 3 m , not 2 m

since A and C have no units, I suspect a typo, and one of those was 3 m