Question

Find the perimeter 20 cm 40 cm

Answer 1

$\LARGE\sf\underline{Given:}$

Find the perimeter of a rectangle whose length is 20cm and breadth is 40 cm.

$\LARGE\sf\underline{Answer:}$

Perimeter of rectangle = 2 ( l × b)

Perimeter of rectangle = 2 × 20 + 40

Perimeter of rectangle = 2 × 60

Perimeter of rectangle = 120 cm

Thus Perimeter of rectangle = 120cm.

✒ Additional Information.

$\LARGE\sf\underline{Area\:of\:the\:rectangle:}$

Area of rectangle = l × b

Area of rectangle = 20 × 40

Area of rectangle = 800cm

Thus area of rectangle = 800cm

Answer 2

____________________________

Perimeter of rectangle = 2 × ( l + b )

Perimeter of rectangle = 2 × ( 20 + 40 )

Perimeter of rectangle = 2 × 60

Perimeter of rectangle = 120 cm

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