Question

find the area of a rectangular plot, one side of which measures 70 m and the diagonal is 74 m

Answer 1

Check the diagram in pic.
Given
One side =70m=AB
Diagonal =74m

Is triangle abc

Using PGPT

AB²+BC²=AC²

70²+BC²=74²

BC²=5476-4900=576

$bc = \sqrt{576}$
BC=24m

Now we have

L=70M
B=24M

area of rectangle =lxb

=70x24=1680m²

This is ur ans hope it will help you in case of any doubt comment below

Answer 2

Using Pythagoras theorem,
AC^2= BC^2+AB^2
BC^2=74^2-70^2
BC^2=5476-4900
BC=24
Therefore, the breadth is 24m.

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