The measure of two adjacent sides of a rectangle are in the ratio 7:5. if the perimeter of the rectangle is 336 cm,find its area.
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The ratio of sides are 7:5
Let the sides be x
Then 7x ans and 5x are sides of rectangle
Perimeter = 2 ( l + b)
= 2 ( 7x + 5x)
= 2( 12x)
= 24x
24x = 336
x = 14
Sides are 70cm and 98cm
Area = l × b = (98 × 70) cm= 6068 cm^2.
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