Question

The perimeter of a square is 20 cm. A rectangle has same width as the square. The length of the rectangle is double its width. The area,in square cm of the rectangle is

Answer 1

HEY.........
HERE IS UR ANSWER.......

GIVEN : WIDTH (BREADTH) = SIDE OF SQUARE

SO, PERIMETER OF SQUARE = 4×side = 20
THEREFORE , SIDE = 5cm

THEREFORE , BREADTH = b = 5cm

ALSO , LENGTH = l = 2× b = 2×5= 10cm

SO,AREA OF RECTANGLE = l×b 10×5 = 50cm^2

HOPE U UNDERSTAND BRO.✨✨

Answer 2

The answer is 40

explanation :like one rectangle has 4 sides and another rectangle as its double will also have another 4 sides so u have to add all these 4s to get 40