A rectangle whose length is 3times of its breath find and perimeter is is 640find its area and length and brethren
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Heya !!
Let breadth of rectangle be X unit.
Length = 3X unit.
Perimeter = 640
2 ( l + b ) = 640
2 ( 3x + x ) = 640
4x = 320
X = 320/4
X = 80 unit
Breadth = X = 80 units.
And,
length = 3X = 240 units.
Area of rectangle = L × B
=> 240 × 80
=> 19200 unit square.
Let breadth of rectangle be X unit.
Length = 3X unit.
Perimeter = 640
2 ( l + b ) = 640
2 ( 3x + x ) = 640
4x = 320
X = 320/4
X = 80 unit
Breadth = X = 80 units.
And,
length = 3X = 240 units.
Area of rectangle = L × B
=> 240 × 80
=> 19200 unit square.
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