Find the length of side of a square field whose area is equal to the area of a rectangular field having length 100M and breadth 81 m
Answer one more question
Find the value of using identity x square minus y square is equals to X + Y x minus y
(820)^-(819)^
(481)^-(480)^
Answers
Answered by
6
Length of rectangular field=100m
Breadth of rectangular field=81m
Area of rectangular field =l×b
=100×81=8100m
Area of rectangular field=area of square field=8100m
Side of square=√8100=90m
x²-y²=(x-y)(x+y)
820²-819².
(820-819)(820+819)
1×1639=1639
481²-480²
(481-480)(481+480)
1×961=961
Breadth of rectangular field=81m
Area of rectangular field =l×b
=100×81=8100m
Area of rectangular field=area of square field=8100m
Side of square=√8100=90m
x²-y²=(x-y)(x+y)
820²-819².
(820-819)(820+819)
1×1639=1639
481²-480²
(481-480)(481+480)
1×961=961
Similar questions