Question

Find the length of the diagonal (upto three decimal places) of a rectangle with sides 7 m, 5m​

Answer 1

Diagonal=√7²+5²

=√49+25

=√74

=8.602

Answer 2

Let Diagonal = C

7 power 2 +5 power 2 = C power 2

49+25 = C power 2

74 = C power 2

root 74 = C

C = 8.60