Question

One side of the rectangular lawn is 12m and its diagonal is 13 m ,then it's area is _______

With steps​

Answer 1

Answer:

60 m^2

Step-by-step explanation:

one side of the rectangular lawn is 12m.

thus length if the lawn will be 12m.

diagonal is of 13 m,

according to pythagoras theorem;

a^2 + b^2 = c^2

thus, 12^2 + b^2 = 13^2

b^2 = 169 - 144

b^2 = 25

b = 5

therefore, area of rectangular lawn = l×b

=12 × 5

=60 m^2