Tamim runs diagonally across a rectangle filed twice that has a length of 40 yards and a width of 30 yards. What is the length of the diagonal, in yards. That Tamim runs?
A
50 yards
B
70 yards
C
100 yards
D
600 yards
Correct Answer: 100 yards
ABD হতে, BD2 = AB2 + AD2 = 302 + 402 BD = 50 2BD = 50×2 = 100