Question

how much shorter is to walk diagonally across a rectangular field 80cm long and 60cm wide than along two of its adjacent sides​

Answer 1

L= 80cm

B= 60cm

Diagonal=

$\sqrt {{l}^{2}+ {b}^{2} }$

=√80^2+60^2

=√6400+3600

=√10000

=100 cm

So, 80+60=130

130-100

=30 cm to walk shorter