Question

What should be added to -7/3 to get 3/7?The perimeter of the rectangle is 20cm. If the length of the rectangle is 6cm, then its breadth will be

Answer 1

Answer:

The length of piece A is 6 cm. So, 6 squares of side 1 cm can be arranged along its length.

The width of piece A is 5 cm. So, 5 squares can be arranged along its width.

• Altogether 30 squares can be arranged on it. • So, the area of piece A = 6 cm

× 5 cm = 30 square cm

• Now, the area of piece B = 11 cm

×3 cm = 33 square cm

• So, the area of piece B is bigger than the area of piece A. Difference in area of piece A and piece B = 33 square cm − 30 square cm = 3 square cm

So, piece B is 3 square cm bigger than piece A.

Step-by-step explanation:

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